When the marginal utility of a commodity is zero, the total utility is
A.
at its minimum
B.
upward-sloping
C.
downward-sloping
D.
at its maximum
Answer: D
To see detailed solution to this question and thousands of other questions offline, download TestDriller UTME. Practice rigorously for UTME, enjoy educational games, summary of JAMB literature books, compete with your peers, win prizes and more.