Question

Let S represent the amount of steel produced (in tons). Steel production is related to the...

Let S represent the amount of steel produced (in tons). Steel production is related to the amount of labor used (L) and the amount of capital used (C) by the following function:

    S = 20 L0.3 C 0.7

In this formula L represents the units of labor input and C the units of capital input. Each unit of labor costs $40, and each unit of capital costs $120.

(a) Formulate an optimization problem that will determine how much labor and capital are needed in order to produce 50,000 tons of steel at minimum cost.
Min L + C
L0.3 C 0.7 - Select your answer -??<>=Item 4
L, C - Select your answer -??<>=Item 6
(b) Solve the optimization problem you formulated in part a. Hint: When using Excel Solver, start with an initial L > 0 and C > 0.
If required, round your answers to two decimal places.
L = $
C = $
Cost = $

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