Question: Hi, this question is about linear programming. =========== A factory can produce two types of products. Product A requires 1 unit of iron(Fe) and 2

Hi, this question is about linear programming.

===========

A factory can produce two types of products.

Product A requires 1 unit of iron(Fe) and 2 units of aluminum

(Al)

Product B requires 1 unit of Fe and 3 units of Al

Product A can be sold for $4 and product B can be sold for $5

The storage has 8 units of Fe and 18 units of Al.

1.Find the range of optimality of product A & B, and the

shadow prices of Fe & Al

2. The factory now knows they can purchase additional Fe, what

is the most they should pay per unit of Fe, and what is the largest quantity of

additional Fe that they should buy?

Thank you

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