5. Selpats produces pens with the production function f (k,l) = 200Vkl. The price of capital is wK = 40 and the price of labor is wL = 10. (i) Determine the optimal input bundle for producing y pens in the long run and find the long-run cost function. (ii) Determine the optimal input bundle for producing y = 10,000 pens in the long run. %3D (iii) Now suppose that capital is fixed at k = 25 in the short run. Find the short-run total cost function and the short-run marginal cost function. Explain the relationship between the short-run and long-run marginal costs when y = 10,000.

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5. Selpats produces pens with the production function f(k, l) = 200vkl. The price of
capital is wk = 40 and the price of labor is wL = 10.
(i) Determine the optimal input bundle for producing y pens in the long run and find the
long-run cost function.
(ii) Determine the optimal input bundle for producing y = 10,000 pens in the long run.
(iii) Now suppose that capital is fixed at k = 25 in the short run. Find the short-run total
cost function and the short-run marginal cost function. Explain the relationship between
the short-run and long-run marginal costs when y = 10,000.
(iv) Suppose that the price of output is p. Which value of y maximizes short-run profit?
р.
Transcribed Image Text:5. Selpats produces pens with the production function f(k, l) = 200vkl. The price of capital is wk = 40 and the price of labor is wL = 10. (i) Determine the optimal input bundle for producing y pens in the long run and find the long-run cost function. (ii) Determine the optimal input bundle for producing y = 10,000 pens in the long run. (iii) Now suppose that capital is fixed at k = 25 in the short run. Find the short-run total cost function and the short-run marginal cost function. Explain the relationship between the short-run and long-run marginal costs when y = 10,000. (iv) Suppose that the price of output is p. Which value of y maximizes short-run profit? р.
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