A company produces two commodities. For both commodities three kinds of raw materials are needed. The quantities (in kg) of each kind of raw material needed to produce one unit of each commodity are presented in Table 1. Commodity A Commodity B Material 1 Material 2 10 5 7 7 Material 3 12 10 Table 1: Quantities of raw materials required for the production of one unit of each commodity The price of raw material 1 is $2 per kg, the price of raw material 2 is $3 per kg, and the price of raw material 3 is $4 per kg. A maximum of only 20,000 kgs of raw material 1 can be purchased, a maximum of only 15,000 kgs of raw material 2, and a maximum of only 25,000 kgs of raw material 3 can be purchased. 1. The company wants to maximize the total number of commodity units it produces. Write this problem as an optimization model. 2. Implement the model you derived in Part 1 in AMPL and present the optimal solution you obtained. 3. Assume now that the company wants to keep the costs for raw material as low as possible, while producing at least 1,000 units of each commodity. Write this problem as an optimization model. 4. Implement the model you derived in Part 3 in AMPL and present the optimal solution you obtained.
A company produces two commodities. For both commodities three kinds of raw materials are needed. The quantities (in kg) of each kind of raw material needed to produce one unit of each commodity are presented in Table 1. Commodity A Commodity B Material 1 Material 2 10 5 7 7 Material 3 12 10 Table 1: Quantities of raw materials required for the production of one unit of each commodity The price of raw material 1 is $2 per kg, the price of raw material 2 is $3 per kg, and the price of raw material 3 is $4 per kg. A maximum of only 20,000 kgs of raw material 1 can be purchased, a maximum of only 15,000 kgs of raw material 2, and a maximum of only 25,000 kgs of raw material 3 can be purchased. 1. The company wants to maximize the total number of commodity units it produces. Write this problem as an optimization model. 2. Implement the model you derived in Part 1 in AMPL and present the optimal solution you obtained. 3. Assume now that the company wants to keep the costs for raw material as low as possible, while producing at least 1,000 units of each commodity. Write this problem as an optimization model. 4. Implement the model you derived in Part 3 in AMPL and present the optimal solution you obtained.
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter7: Nonlinear Optimization Models
Section7.3: Pricing Models
Problem 5P
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