Problem
A firm has the linear production function Q = 3L + 5K, with MPL = 3 and MPK = 5. Derive the expression for the long-run total cost that the firm incurs, as a function of Q and the factor prices, w and r.
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.