'Question1 1' 0/1 pt 0 3 99 For the given cost function C(x) = 57600 + 400x + + find: a) The cost at the production level 1900 b) The average cost at the production level 1900 c) The marginal cost at the production level 1900 d) The production level that will minimize the average cost e) The minimal average costQuestion 4 > Given the given cost function C(x) = 3400 + 880x + 0.7c and the demand function p(I) = 2640. Find the production level that will maximize profit.. Question 5 0/1 pt 03 2 A farmer finds that if she plants 45 trees per acre, each tree will yield 30 bushels of fruit. She estimates that for each additional tree planted per acre, the yield of each tree will decrease by 3 bushels. How many trees should she plant per acre to maximize her harvest? trees Give your answer rounded to the nearest whole number.Iouesn'ons v