1. The following table shows the average productivity of a team of painters hired to paint a large shopping center. What is the marginal product of labor for the second painter?

Number of Painters	Average Productivity
1	4
2	6
3	7
4	7.5
5	7.75
6	9

a) 2

b) 3

c) 6

d) 8

e) 10

2. A company hires workers to develop phone apps. The following table shows the marginal productivity of each worker. What is the total product of employing the third worker?

Number of Workers	Marginal Product
1	8
2	9
3	10
4	10.5
5	9.75
6	9.5

a) 1

b) 9

c) 10

d) 27

e) 30

3. Use the graph to answer the question. The shift from MC₁to MC₂could be explained by

\f10 9 8 Long Run Average Total Costs 6 A D Cost B C 1 2 3 4 5 6 7 8 Output 9 1010 9 8 Long Run Average Total Costs 6 A D Cost B C 1 2 3 4 5 6 7 8 Output 9 10