Nobody fixes more fender benders than Crazy Bob! At his auto body shop, the production function showing the number of cars repaired each year isQ=100KL, whereKis the number of arc welding machines available, andLis the number of employees. Currently,Kis fixed at 9.

a.Given the above specifications, identify an equation for Crazy Bob's short-run production function that shows output as a function of labor only.

Bob's production function is

Q=300L

Q=900L

Q=100L

Q=3009L

b.Calculate the total number of cars Bob can repair each year, the marginal product of labor, and the average product of labor forL= 1, 2, 3, and 4.

c.TheMPLis____________ It is__________theAPLat each level of employment; thus, the average must be __________.