Question 19 (3 points) Answer the question on the basis of the following information. Number of Workers Total Product Marginal Product u a is 6. O b is s. O c is 7.75. Q d cannot be calculated from the information given. Question 20 (5 points) Number of Workers Total Product Marginal Product Explain (using numbers) how the data above illustrate the Law of Diminishing Returns (to labor, in this case). What SR constraint gives rise to this law (what is it about the SR that causes us to see diminishing returns that we don't have in the LR)