B0/1 pt 398 Details Question 8 For the given cost function C(=) = 67600 + 5002 + 2? find: a) The production level that will minimize the average cost b) The minimal average cost Question Help: Message instructor Submit Question Question 9 B0/1 pt 398 Details A farmer finds that if she plants 50 trees per acre, each tree will yield 80 bushels of fruit. She estimates that for each additional tree planted per acre, the yield of each tree will decrease by 4 bushels. How many trees should she plant per acre to maximize her harvest? trees Give your answer rounded to the nearest whole number. Question Help: Message instructor Submit