Q. The production function at Ginko's Copy Shop is

Q=2min{L,5K}

The ongoing wage rate is 6 and rental rate is 8.

(a) (5 points) What is the long-run total cost function TC(Q) for this production function?

(b) (5 points) Calculate the long-run average cost function and use it to describe the nature of this function's scale economies. Over what range of output does economies of scale exist? Diseconomiesof scale?

(c) (4 points) Identify the minimum efficient scale for this firm.