題組內容

四、
(2) Carmela’s pasta factory employs workers and pasta machines according to the following production function f(L,K) = L0.5K0.5 The hourly cost of capital is $10 and the hourly cost of workers is $40.

(e) In the long-run, Carmela will be able to employ more capital as well as labor. If Carmela continues to produce 2000 units of output, how much will it cost in the long run? (3分)