Assume the price of output is p = 10 dollars, the marginal product of labor is given by the equation MPL = 20 (1/2)L, and the price of labor is wL =...

Assume the price of output is p = 10 dollars, the marginal product of labor is given by the equation MPL = 20 − (1/2)L, and the price of labor is wL = 100 dollars. Then, the optimal quantity of labor is

A) 5 Workers

B) 10 Workers

C) 20 Workers

D) 25 Workers