Production Possibilities and Opportunity Cost a) The table below shows the tradeoff between different combinations of brushes and combs that might be produced in a year with the limited capacity for Country X, ceteris paribus. Draw the Production Possibilities curve for brushes and combs. Combinations Number of Combs Number of Brushes J 0 10 K 1 9 L 2 7 M 3 4 N 4 0 b) What is the opportunity cost of producing 1 comb at point K as production moves from point J to point K?