Fred Ginger Ballet Ballet Slippers Slippers 10 - 10 9 9 8 8 7 7 A W 2 N 1 1 2 3 5 6 7 8 9 10 Tap 1 2 6 7 8 9 10 Tap Shoes Shoes 12. Refer to the figure above. What is the opportunity cost of one pair of ballet slippers for Ginger? a. 1/4 pair of tap shoes b. 1/3 pair of tap shoes C. 3/4 pair of tap shoes d. 4/3 pairs of tap shoes