Part 1 of 4 points Points: 0 of 1 Save K It costs Joanna $17,500 to open her new shoe store and then $24 for each pair of shoes she stocks. Joanna decides to charge her customers $51 per pair of shoes. a) What is her Cost Function? b) What is her Revenue Function? c) What is her Profit Function? d) What is her Break-Even Point? (a) Joanna's Cost Function is C(x) = . (Do not include the $ symbol in your answer.) X Vi Vi (1,I) More