The following table shows the quantity of workers and total output for a local pizza parlor. Answer the following questions based on this table:
| Quantity of Workers |
Total output |
| 0 |
0 |
| 1 |
5 |
| 2 |
-
|
| 3 |
19 |
| 4 |
24 |
| 5 |
28 |
| 6 |
26 |
a. When the owner hires 4 workers, what is average product of labor?
b. What is the marginal product of the fifth worker?
c. If the marginal product of the second worker is 6, what is the total number of pizzas produced when 2 workers are hired?
d. Assuming the marginal product of the second worker is 6, with which worker hired does the law of diminishing returns set in?