Using a numerical example, explain the difference between constant returns to scale and increasing returns to scale. (5 percent)

Complete the following table: (7 percent)

Capital	Output	Average Product of Capital	Marginal Product of Capital
0	0
5	150
10	320
15	440
20	540
25	610
30	650

Does the production process described in the above table exhibit diminishing marginal product of capital? Explain your answer. (3 percent)