A coffee company has found that the marginal cost, in dollars per pound, of the coffee it roasts is represented by the function below, where x is the number of pounds of coffee roasted. Find the total cost of roasting 160 lb of coffee, disregarding any fixed costs. C'(x) = - 0.029x +7.50, for x S 200 The total cost is $ (Round to the nearest cent as needed.)