Number of Workers	Output (sandwiches)	Marginal Product of Labor	Average Product of Labor
0	0
1	20	(a)	(e)
2	50	(b)	(f)
3	75	(c)	(g)
4	90	(d)	(h)

The table above shows a sandwich shop's short-run production with different amounts of workers (labor). What is the value of (d)?

40.

Group of answer choices

15

22.5

4

90