Answer

13. Consider Jamie's production data given in the table to the right. Suppose Jamie has to pay her workers $20 per hour, and further suppose there are no other production costs at all. What is the marginal product of the 5^th worker?

5
7
8 2/3
9 2/5
47

Number of Workers	Total Output
1	10
2	22
3	31
4	40
5	47
6	52
7	56
8	58
9	60
10	61