Fertilizer Use Mango Yield (grams) (# fruit per tree) 375 40 750 5 9 1,125 77 1,500 85 1,875 92 2,250 94 Your answers for parts a) and b) below can be presented in a single table. To make results easier to compare, convert fractions to decimal forrn showing three decimal places (eg., 25/240 = 0.104) a) Calculate the average product of fertilizer when each amount is used. [3] b) Estimate the marginal product of fertilizer when between 375 and 750 grams are applied, when between 750 and 1,125 grams are applied, when between 1,125 and 1,500 grams are applied, when between 1,500 and 1,875 grams are applied and when between 1,875 and 2,250 grams are applied. [5] c) Does the production function for mangos exhibit diminishing marginal returns (very briey explain your answer)? [2] (1) Complete the following sentences regarding to average product AP and marginal product MP [2] As long as MP is ....................... than AP, AP must be increasing. When AP is maximized, MP ......................... AP