According to Table 02-01, Corey’s opportunity cost of making of a pizza is delivering:

According to Table 02-01, Corey’s opportunity cost of making of a pizza is delivering:
A.2 pizzas.
B.2/3 of a pizza.
C.1/2 of a pizza.
D.3/2 of a pizza.
正确答案：1/2 of a pizza.