Exercise on the Production Possibility Frontier: CD-Players and Shoes Suppose we see the following table of possible combinations of shoes and CD-players that society could produce (this year): Alternative Shoes (pairs) CD-players (sets) 40 0 30 30 20 50 10 60 0 65 a) Using the axes below, draw the production possibilities frontier (PPF) for these numbers. Be as exact and neat as possible. (Assume that the dots define a complete curve.) Leave room for drawing a new PPF (in the same graph) when you get to (e) below