The following exercise gives you experience in using the cost and revenue functions to find the break-even point. (See Example 4.) Austin Avenue Clothiers pays $55 each for sports coats and has a fixed monthly cost of $710. The store sells the coats for $75 each (a) What is the linear cost-volume function C(x)? C(x) (b) What is the linear revenue function R(x)? R(x) - (c) What is the break-even number of coats? (Round your answer up to the nearest whole number.) coats Submit Answer Save Progress