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 170 lb of coffee, disregarding any fixed costs. C'(x) = -0.025x+7.75, for x ≤ 300 The total cost is $ (Round to the nearest cent as needed.)