2. The following table shows how the total output of skates (per month) changes when the quantity of the variable input (labour) changes. The firm's amount of capital is fixed. Hours of Pairs of Labour Skates Average Marginal (per month) (per month) Product Product 100 200 120 260 140 350 160 580 180 720 200 780 220 800 240 810 B Compute the average product of labour for each level of output and fill in the table. b. Compute the marginal product of labour for each interval (that is, between 100 and 120 hours, between 120 and 140 hours, and so on).Fill in the table. c. Is the law of diminishing marginal returns satistied