The law of diminishing returns applies A. either in the short run or the long run. B. in the short run. C. in the long run. D. None of the above. Part 2 Refer to the table below. When do diminishing returns in the production of pizzas start? Quantity of Workers Quantity of Pizza Ovens Quantity of Pizzas Marginal Product of Labor 0 2 0 1 2 200 200 2 2 450 250 3 2 550 100 4 2 600 50 5 2 625 25 6 2 640 15 A. when the second worker is hired B. when the third worker is hired C. when the fourth worker is hired D. when the fifth worker is hired