For Brent,if the marginal utility of sleeping an extra hour,from 8 a.m.to 9 a.m.,is negative:
A) Brent is better off getting up at 8 a.m. or earlier.
B) Brent is better off getting up at 9 a.m.
C) Brent's total utility from sleeping must be negative.
D) Brent's average utility from every hour he sleeps must be negative.

Question

Quizplus · Accepted Answer

Since the marginal utility of sleeping an extra hour is negative, it means that the additional hour of sleep is providing less and less satisfaction to Brent. Therefore, he would be better off getting up at 8 a.m. or earlier when the marginal utility of sleep is still positive, and he is deriving more satisfaction from each hour of sleep.

For Brent,if the Marginal Utility of Sleeping an Extra Hour,from