Answer:
The opportunity cost of going to the movies is raising exam grade by 10 points.
Explanation:
Opportunity cost for doing something is what you have to give up for it, so in this case the opportunity cost of going to the movies will be what we are giving up for it. In this scenario we are giving up studying 3 hours and raising our exam grade b y 10 points so the opportunity cost of going to the movies is raising exam grade by 10 points.