5) (4 points each) With the announcement of the new Pixel phone, CwazyCases will start making custom cases for the phone and will sell them for $66.50 each. The cost to build each case is $24.50 and there is an additional cost of $2100 for tools and various supplies. Let x represent the number of cases made and sold. a) Write and label the corresponding Revenue, Cost, and Profit functions for this problem: R(x)=66.50x 42x+ 21000 C(x)=24.50x + 21000 P(x) = 66.50x-(24.50x+ 21000) b) When only 40 cases are sold, is there a profit or a loss? Show your work to support your answer. x c) How many cases must be sold to break even? X