The Production Function for Laser Eye Surgery Is Given by Q

Multiple Choice

The production function for laser eye surgery is given by Q = 20K^0.5L^0.5, where Q is the number of laser eye surgeries performed per day, K is the number of eye surgery machines (which is fixed at 2 in the short run) , and L is the number of employees. The marginal product of labor for L = 3 is ____.

A) 28.28
B) 11.71
C) 9.43
D) 8.99