If C(x) is the cost of producing x units of a commodity, then the average cost per unit is c(x) = _ Consider the cost function C(x) given below. (Round X your answers to the nearest cent.) C(x) = 81,000 + 200x + 6x3/2 (a) Find the total cost (in dollars) at a production level of 1,000 units. (b) Find the average cost (in dollars per unit) at a production level of 1,000 units. per unit (c) Find the marginal cost (in dollars per unit) at a production level of 1,000 units. per unit (d) Find the production level (in units) that will minimize the average cost. units (e) What is the minimum average cost (in dollars per unit)? $ per unit