Gomer's opportunity cost is the benefit to his grades from studying for an hour.
The opportunity cost of an item or a decision taken is based on the concept of the loss of other alternatives when one decision is made out of those other alternatives.
From the given information, Gomer has two alternatives;
The inability for Gomer to see the brighter side of studying but rather choose to play basketball for an hour has a detrimental effect on his academics.
Therefore, it would be better if Gomer studied for an hour because the opportunity cost is the benefit to his grades from studying for an hour.
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