Suppose a ceiling fan manufacturer has the total cost function C(x) = 31x + 2070 and the total revenue function R(x) = 77x. (a) What is the equation of the profit function P(x) for this commodity? P(x) = (b) What is the profit on 25 units? P(25) = Interpret your result. The total costs are less than the revenue. The total costs are more than the revenue. The total costs are exactly the same as the revenue. (c) How many fans must be sold to avoid losing money? fans