Ricardo eats 20 pieces of sushi on a Friday night. When he eats the 21st piece, he starts to feel nauseous and realizes he probably should not have eaten the last piece. This suggests that for Ricardo the
A) marginal utility of the 21st piece of sushi is positive and increasing.
B) marginal utility of the 21st piece of sushi is negative.
C) total utility of pieces of sushi is increasing.
D) total utility of pieces of sushi is increasing by larger and larger increments.

Question

Quizplus · Accepted Answer

The marginal utility of the 21st piece of sushi is negative because it made him feel nauseous, indicating that consuming it reduced his overall satisfaction, contrary to increasing it.

Ricardo Eats 20 Pieces of Sushi on a Friday Night