scholarly journals MODEL TRANSPORTASI PENGIRIMAN PRODUK PERISHABLE DENGAN MULTI KENDARAAN

2019 ◽  
Vol 3 (1) ◽  
pp. 57-74
Author(s):  
Winanda Kartika
Keyword(s):  
Shortest Path ◽  
Time Window ◽  
Critical Path ◽  
Weighted Graph ◽  
Variable Cost ◽  
Fixed Cost ◽  
Dijkstra Algorithm ◽  
Total Cost ◽  
Perishable Product ◽  
Turnover Costs

Abstract : According to Graf theory, the shortest path determination is a problem of looking for a path between two vertices in a weighted graph to obtain the minimum amount of weight.The determination of the shortest path problem also called optimization problem. Several algorithms have been developed in solving this problem. Each algorithm has a different way of solving a particular problem. In this study, the development of algorithms was carried out to determine the critical path from one origin point to one destination point on a network for the delivery of perishable products that limited time window to minimize the total cost and the selection of vehicles that will be used for solving the problem.The Algorithm that developed is Dijkstra algorithm. The first stages of the algorithm development is to modify the network of the studied problem by making the network replication. The second stage is to make problem-solving steps to minimize the total cost, consists of a fixed cost, variable cost, vehicle turnover costs, deterioration cost and parking fees with modified Dijkstra algorithm because the problems can not be modeled mathematically.To test the developed algorithm, we used numerical examples with hypothetical dataKeywords: perishable product; deterioration; time window; modified Dijkstra algorithmAbstrak : Menurut teori Graf, penentuan rute terpendek merupakan suatu persoalan mencari lintasan antara dua buah simpul pada graf berbobot untuk mendapatkan jumlah bobot yang paling minimum. Permasalahan penentuan rute terpendek disebut juga masalah optimasi.Beberapa algoritma telah dikembangkan dalam pemecahan masalah ini. Setiap algoritma memiliki cara yang berbeda dalam menyelesaikan suatu permasalahan tertentu. Pada penelitian ini, dilakukan pengembangan algoritma untuk menentukan lintasan kritis dari satu titik asal ke satu titik tujuan pada suatu jaringan untuk pengiriman produk perishable dan dibatasi jendela waktu dengan meminimumkan total biaya sekaligus pemilihan jenis kendaraan yang akan digunakan untuk pemecahan masalah. Algoritma yang dikembangkan adalah Algoritma Dijkstra. Tahapan awal pengembangan algoritma adalah memodifikasi jaringan dari masalah yang diteliti dengan cara membuat replikasi jaringan. Tahapan kedua adalah membuat langkah pemecahan masalah untuk meminimumkan total biaya yaitu biaya tetap, biaya variabel, biaya pergantian kendaraan, biaya deteriorasi dan biaya tunggu dengan modifikasi Algoritma Dijkstra. Modifikasi Dijkstra dilakukan karena permasalahan yang diteliti tidak bisa dimodelkan secara matematis. Pengujian algoritma menggunakan contoh numerik dengan data hipotetik.Kata kunci: produk perishable; deteriorasi; jendela waktu; modifikasi Algoritma Dijkstra.

scholarly journals Economics analysis of Seed Yam production in Aeroponic system

2020 ◽  
Vol 56 (2) ◽  
Author(s):  
Patricia Pinamang Acheampong ◽  
Marian Dorcas Quain ◽  
David Appiah-Kubi ◽  
Jonas Osei-Adu ◽  
Stella Ama Ennin ◽  
...  
Keyword(s):  
Tissue Culture ◽  
Private Sector ◽  
Production Costs ◽  
Variable Cost ◽  
Fixed Cost ◽  
Cost Ratio ◽  
Total Cost ◽  
Benefit Cost Ratio ◽  
Short Period ◽  
Using Data

The supply of seed yams for intensive yam production is hindered by many constraints, including diseases and pest infestations as well as the unavailability of quality planting material. The combination of tissue culture and aeroponics system is perceived to be the way towards clean and adequate supply of seed yam for enhanced yam production. However, the system is considered as expensive for any individual to implement. In order to encourage private sector to participate in this venture, the economic analysis determining the feasibility and viability of using aeroponics in seed yam production was performed. Using data from established tissue culture and aeroponics system in Ghana, the fixed cost and variable cost parameters as well as production costs were obtained. Results revealed that total cost of building aeroponics structure amounted to GH₵ 94,178.00 (USD 17,938.70). Annual cost of aeroponics structure was GH₵ 9,417.82 (USD 1,793.87). Annual total cost of production totalled GH₵ 204,391.75 (USD 38,931.61). Annual net revenue was GH₵ 75,888.00 (USD 14,454.86). Payback period was 15 months and benefit cost ratio was 1.4. Aeroponics system for seed yam production is therefore profitable since short period would be needed to recoup investment. For food security and creation of workplaces, government could partner with the private sector in the establishment of aeroponics systems to increase yam production and export.

scholarly journals ANALISIS USAHA HOME INDUSTRI KERUPUK RAMBAK

2017 ◽  
Vol 11 (1) ◽  
pp. 35-45
Author(s):  
Syarifah Aini ◽  
Erlin Widya Fatmawati
Keyword(s):  
Variable Cost ◽  
Fixed Cost ◽  
Business Activity ◽  
Total Cost ◽  
Total Variable Cost ◽  
Cost Of Production ◽  
The Government ◽  
The Cost ◽  
Breakeven Point

The purpose of this research is to know the amount of cost, acceptance, profit, profitability, and R / C Ratio from home industry crackers rambak in Sembon Village Satreyan District Kanigoro Blitar District. The result of this research shows that the total variable cost at rambak cracker agroindustry center is equal to Total variable cost Rp 1,139,783, - per day, total fixed cost Rp 4,953, - per day. So the total total cost of production is Rp 1,144,076, - per month. The breakeven point or BEP unit is 3 units. BEP Rp for RP 16,017, -. BEP revenue of Rp 16,017, - per day. Received revenue of Rp 1.650.000, - so the profit earned by employers is amounted to Rp 505,924, -. While the profitability of business is 44% which means this business is profitable. Home industry that run during this efficiency has been shown with R / C ratio of more than 1 that is equal to 1.44. Based on the criteria used, this business has been efficient because the efficiency value of more than 1. This means that every Rp 1.00 issued by the entrepreneur at the beginning of the business activities will get 1.44 times revenue from the cost incurred at the end of the business activity. This can be interpreted that home industry crackers rambak said Eligible to run. From this research it is suggested that entrepreneurs do creations by adding a sense of the product, so that the quality of the product can be increased and not less competitive with similar entrepreneurs from other regions. For the government, the Government of Blitar Regency through the Department of Industry and Trade and other related agencies should try to help develop the business crackers rambak by providing low-interest capital loans to entrepreneurs agro-industry crackers rambak.

scholarly journals ANÁLISE DOS CUSTOS DO RENDIMENTO EM MADEIRA SERRADA DE Pinus taeda PARA DUAS METODOLOGIAS DE DESDOBRO

FLORESTA ◽  
2010 ◽  
Vol 40 (3) ◽  
Author(s):  
Mauro Itamar Murara Júnior ◽  
Márcio Pereira da Rocha ◽  
Romano Timofeiczyk Júnior
Keyword(s):  
Pinus Taeda ◽  
Production Cost ◽  
Variable Cost ◽  
Fixed Cost ◽  
Fixed Costs ◽  
Unit Production Cost ◽  
Total Cost ◽  
Unit Costs ◽  
Total Unit ◽  
The Cost

Este trabalho teve o objetivo de analisar a estrutura de custos de madeira serrada de Pinus taeda com duas metodologias de desdobro, denominadas de sistema convencional e sistema otimizado. Os diâmetros das toras variaram de 18 a 44 cm. Foram testadas 100 toras, sendo 50 toras divididas em cinco classes diamétricas para cada sistema de desdobro. Utilizando o sistema convencional de desdobro, verificou-se que os custos fixos representaram 12,03% do custo unitário de produção. Desses, os gastos com salários e encargos sociais foram os mais significativos, representando 9,22% do custo total unitário de produção, e por 76,61% dos custos fixos. O custo variável representou 87,97% do custo total unitário de produção, sendo que 84,64% foram relativos a aquisição de toras. Utilizando o sistema programado de desdobro das toras, a participação percentual do custo fixo aumentou para 14,87%, decorrente da queda ocorrida nos custos variáveis. A participação do custo variável unitário representou 85,13% do total dos custos unitários, apresentando uma redução de 3,23% em relação ao desdobro convencional. Com o desdobro programado, a redução no custo total foi de 5,12%.Palavras-chave: Pinus; classificação de toras; modelos de corte; otimização. AbstractIncome analysis costs in Pinus taeda sawn wood using two methodologies. This study aimed to examine the cost structure of Pinus taeda sawn wood using two methodologies of log sawing, called conventional and optimized systems. The logs diameter ranged from 18 to 44 cm. A total of 100 logs were tested, being 50 logs divided into five diameter classes for each sawing system tested. Using the conventional sawing method, the fixed costs accounted for 12.03% of the unit production cost. From these, wages and social charges accounted for 9.22% of the total unit production cost, and for 76.61% of the fixed costs. The variable cost represented 87.97% of the total unit production cost, and the logs acquisition accounted for 84.64% of the variable cost. Using the optimized sawing system, the percentage of fixed cost increased to 14.87%, due to the decrease in the variable costs. The participation of variable cost unit accounted for 85.13% of total the unit costs, showing a reduction of 3.23%, compared to the conventional sawing method. The reduction in the total cost using the optimized sawing method was 5.12%.Keywords: Pine; logs classification; sawn models; optimization.

An Economic Study on Chemical Mechanical Polishing of Silicon Wafers

2009 ◽  
Author(s):  
Emmanuel A. Baisie ◽  
Man Yang ◽  
Ravindra Kaware ◽  
Maria Hooker ◽  
Z. C. Li ◽  
...  
Keyword(s):  
Chemical Mechanical Polishing ◽  
Cost Model ◽  
Labor Cost ◽  
Silicon Wafers ◽  
Mechanical Polishing ◽  
Wafer Surface ◽  
Variable Cost ◽  
Fixed Cost ◽  
Economic Study ◽  
Total Cost

Chemical mechanical polishing (CMP) is used to remove irregularities on the silicon wafer surface. The importance of CMP is the achievement of both local and global planarity of wafer surface. This paper presents an economic study on CMP of silicon wafers. A cost model is developed to predict the total cost for CMP of silicon wafers. An input-output model is developed to analyze parameters relevant to the fixed cost and variable cost. The labor cost is investigated through a flow chart of the labor operation. Based on the cost model, a hypothetical case study is conducted to show the model’s capability of performing sensitivity analysis and identifying critical factors for the total cost for strategic management purposes.

scholarly journals ECONOMICS OF RABBIT PRODUCTION IN ABEOKUTA SOUTH LOCAL GOVERNMENT AREA OF OGUN STATE NIGERIA

2021 ◽  
Vol 25 (1) ◽  
pp. 100-105
Author(s):  
I. A. AYINDE ◽  
A. B. AROMOLARAN
Keyword(s):  
Local Government ◽  
Local Government Area ◽  
Rate Of Return ◽  
Primary Data ◽  
Variable Cost ◽  
Fixed Cost ◽  
Total Cost ◽  
Ogun State ◽  
Profitability Analysis ◽  
Part Time

This study was aimed at examining the economic profitability of rabbit production based on the hypothesis that the low level of production may likely be a consequence of low profitability of the enterprise. Abeokuta South Local Government area was used as a case study. It involved the collection of primary data from a sample of 50 rabbit farmers spread over 10 communities in Abeokuta South Local Government Area of Ogun State. The analysis of survey data was done through a combination of descriptive statistical analysis. The results showed that most rabbit farmers in Abeokuta were no-professional farmers, who engaged in rabbit production on a part-time basis to supplement their income from other sources such as civil services, trading and craftsmanship. Cost analysis showed that feed cost accounted for as much as 65.7% of total cost (excluding imputed cost of family labour), while fixed inputs amounted to 28% of the cost of production. Other variable inputs accounted for only 4.35% of total cost. The profitability analysis showed that rabbit production in the area could generate a rate of return to capital and family of 56% a rate of return on fixed cost of 300% and a rate of returns on variable cost of 178%. The study concluded that; Even though rabbit production is economically viable in Abeokuta in particular and Ogun State in general, the following problems have imposed a severe limitations on the expansion of the enterprise. These are: the paucity of investment capital among the current investors in rabbit production enterprise, inadequate access to good breeding stock, and the non-professional, part-time and supplementary nature of rabbit production in the area. It is therefore recommended that efforts should be directed towards providing credit to current and potential rabbit farmers so as to boost production. Moreover the government should embark on the supply of parent stock of proven reproductive performance to farmers at effordable prices. The establishment of Rabbit Breeding Units in tertiary institution for the multiplication and distribution of rabbits for breeding purpose can enhance this. In addition, government can initiate propularization of rabbit production in the state

scholarly journals EFISIENSI USAHATANI PADI SAWAH (Oryza sativa L.) DI DESA TANAH ABANG KECAMATAN LONG MESANGAT KABUPATEN KUTAI TIMUR (Efficiency of Paddy Farming (Oryza sativa L.) in Tanah Abang Village Long Mesangat Subregency East Kutai Regency)

2019 ◽  
Vol 2 (1) ◽  
pp. 53
Author(s):  
MURKAD MURKAD ◽  
MURSIDAH MURSIDAH ◽  
NIKE WIDURI
Keyword(s):  
Oryza Sativa ◽  
Random Sampling ◽  
Sampling Method ◽  
Oryza Sativa L ◽  
Variable Cost ◽  
Fixed Cost ◽  
Observation Data ◽  
Total Cost ◽  
Field Observation Data ◽  
The Cost

Tanah Abang Village is a region of paddy farming development.  The purposes of this study were to know the cost, revenue, income, production, and efficiency of paddy farming in Tanah Abang Village. This study was conducted during three months from January to March 2018 in Tanah Abang Village, Long Mesangat Subregency, East Kutai Regency. Sampling was done with stratified random sampling method with total of 37 respondents. Data retrieving was done by interview and field observation. Data analysis was done to count of fixed cost, variable cost, total cost, revenue, income, and R/C ratio. The results of study show that the production of 2,168.92 kg ps-1 ha-1, the revenue of IDR13,966,622.00 ps-1 ha-1, the income of IDR12,437,394.00 ps-1 ha-1, and R/C ratio 7.37 which meant paddy farming is efficient and feasible to be done.

scholarly journals Economic Feasibility of a Shade Tree Container Production System

1991 ◽  
Vol 9 (2) ◽  
pp. 105-108
Author(s):  
D.H. Chinery ◽  
T. Rhodus ◽  
D.K. Struve
Keyword(s):  
Sensitivity Analysis ◽  
Interest Rates ◽  
Economic Model ◽  
Quercus Rubra ◽  
Economic Feasibility ◽  
Variable Cost ◽  
Fixed Cost ◽  
Total Cost ◽  
Different Levels ◽  
Container Nursery

Abstract An economic model was developed to estimate the feasibility of producing red oak (Quercus rubra) whips in an established container nursery. Cost per plant was compared for a simulated container nursery of 6.88 and 13.76 ha (17 and 34 acres) at different levels of production. Variable cost per plant ranged from $3.48 when producing 100 plants to $3.16 when producing 4,160 or more. Fixed cost per plant was $.42 to $.55 higher in the small nursery, depending upon level of production. Total cost per plant varied from $3.86 to $4.59, depending upon nursery size and level of production. Sensitivity analysis indicated that total cost per plant is less responsive to changes in wage rate than changes in interest rates on operating capital. Reducing losses during the rapidgrowth and overwintering phases of production is necessary in order to minimize total cost per plant.

scholarly journals Comparative Economic Analysis of Zero Budget Natural Farming for Kharif Groundnut under Central Dry Zone of Karnataka, India

2020 ◽  
pp. 27-34
Author(s):  
A. H. Kumar Naik ◽  
S. Brunda ◽  
G. M. Chaithra
Keyword(s):  
Economic Analysis ◽  
Research Work ◽  
Variable Cost ◽  
Fixed Cost ◽  
Economic Point ◽  
Total Cost ◽  
Net Returns ◽  
Dry Zone ◽  
Natural Farming ◽  
The Cost

This research work is mainly focused on comparative economic analysis of Zero Budget Natural Farming (ZBNF) for Kharif Groundnut under Central Dry Zone of Karnataka. The purpose of conducting the study is to examine the cost of cultivation for ZBNF with other treatments. This is mainly due to farmers are facing high cost of cultivation by practicing conventional farming as it is highly depends on external inputs. ZBNF is low cost technology where, farming is practiced by using jeevamrutha, beejamrutha, mulching and whapsa etc. The Groundnut experiment was conducted at ZAHRS, Babbur Farm, Hiriyur during Kharif 2019-20 in order to estimate economics for different treatments. Each treatment was having different input usage. For calculating economics of each treatment, conventional cost of cultivation method was followed (i.e. calculation of Variable cost, Fixed cost, Gross returns, Net returns and B:C).The results of economic analysis revealed that the per hectare yield (17.46 q/ha) total cost ( 53,019), gross returns ( 88,871), net returns ( 35,852) and B:C (1.68) were found to be highest in RPP among all treatments i.e. ZBNF, OPS and Control. The cost of cultivation of ZBNF 22.55 per cent lesser than RPP. The B:C ratio was found to be more in ZBNF (1.66) than OPS (1.58).This is due to highest cost for purchase of excess quantity of FYM in case of OPS. It is concluded from the study that RPP was best treatment among all treatments. This is due to highest yield, net returns and B:C was found in RPP treatment  as compared to all treatments. In the economic point of view, there was reduction in total cost in case of ZBNF with fewer yields as compared to RPP.

scholarly journals ANALISIS BIAYA DAN PENDAPATAN USAHA PEDAGANG SAYURAN DI PASAR TAMIN KOTA BANDAR LAMPUNG

2019 ◽  
Vol 6 (3) ◽  
pp. 288
Author(s):  
Romidah Astuti ◽  
Wan Abbas Zakaria ◽  
Teguh Endaryanto
Keyword(s):  
Income Level ◽  
Cost Structure ◽  
Variable Cost ◽  
Fixed Cost ◽  
Fixed Costs ◽  
Average Income ◽  
Total Cost ◽  
Qualitative And Quantitative ◽  
The Cost ◽  
Business Cost

This study aims to analyze the cost structure and the income level of vegetable traders in Tamin Market Bandar Lampung City. This research is conducted in purposively chosen Tamin Market with the consideration that Tamin Market is a center of vegetable trade and the main market in Bandar Lampung City.  The data were collected in March 2017 and respondents were 15 vegetable traders who are willing to be interviewed, consisting of five stall traders, five los traders, and five street traders.  Data are analyzed descriptively using qualitative and quantitative of cost and income analysis. The result showed that the traders' business cost structure consists of fixed cost and variable cost.  The propotion of variable cost is higher than the fixed cost, which is 99 percent of total cost. Variable costs include plastic cost, vegetable purchase, transport, labor, and information.  And fixed costs include rent cost, electricity and market facility fees. The average income of stall traders is higher than the loser traders and the street traders. The average income of stall traders is Rp817,055.00 per day, los traders is Rp737,604.00 per day, and street traders is Rp183,455.00 per day.Key words: cost structure, the level of income, vegetable traders

scholarly journals Examining Profitability and Viability of Urban and Peri-Urban Dairy Farms

2021 ◽  
pp. 9-16
Author(s):  
A. L. Rathva ◽  
L. M. Sorathiya ◽  
D. N. Gadhvi
Keyword(s):  
Urban Area ◽  
Cost Benefit Analysis ◽  
Standard Technique ◽  
Dairy Farms ◽  
Variable Cost ◽  
Fixed Cost ◽  
Cost Ratio ◽  
Total Income ◽  
Total Cost ◽  
Net Profit

Cost benefit analysis in 20 each urban and periurban dairy farms nearby Navsari city of Gujarat, India were studied. The required information from selected farms was collected through personal interview. The collected and derived data were subject to statistics as per standard technique in Statistical Package for Social Sciences (SPSS) software. Total fixed cost in urban and peri urban area was Rs. 2.27±0.36 and 2.05±0.33 lakh, respectively. Among total cost, fixed cost was 11.42%, further; it was nonsignificant among urban and peri-urban farms. Total variable cost was looked higher in urban farms i.e. Rs.18.97±2.47 and 14.50±2.33 in urban and periurban farms, respectively, however, it was nonsignificant between two areas. The proportion of variable cost was major (88.58%) among total cost. Among total cost feed-fodder cost was highest i.e. 70.10% followed by labour cost i.e. 17.13%. Gross total income was found higher in urban farms but it was nonsignificant between two regions. Pooled gross total income was Rs. 23.05 lakh. Average total income from sale of milk was Rs. 21.70 lakh (92.72%). Sale of animals (4.31%) and sale of dung (2.98%) was also having some contribution in return. The average net profit in urban farms was found nonsignificant higher i.e. Rs. 5.52 and 3.48 lakh, in urban and peri urban farms, respectively. When farms was compared based on net return per adult unit the urban farms was significantly more profitable (US$ 172 v/s 136). The net profit per litre of milk was Rs. 9.20 and 6.80 in urban and periurban farms, respectively. The overall benefit cost ratio was found 1:1.20. It was also higher in urban area. Thus, it can be concluded that urban and periurban dairy farms are profitable and viable enterprise.

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