8. Using all available resources, if a farmercan produce either 85 cantaloupes or 70 watermelons, then the opportunity costof 1 cantaloupe to the farmer would be
a. .82watermelons.
b. 1.21watermelons.
c. 15watermelons.
d. Thereis not enough information given to answer this question.
ANSWER: a. .82 watermelons.
TYPE: M SECTION: 2 DIFFICULTY: 2
为什么选A?、、、