-Refer to the above table. What is the marginal utility for the 10th unit for Mary and for John?
A) Mary: -10; John: 10
B) Mary: 10; John 10
C) Mary: 220; John 450
D) Mary: 0; John: 0

Question

-Refer to the above table. What is the marginal utility for the 10th unit for Mary and for John?
A) Mary: -10; John: 10 
B) Mary: 10; John 10 
C) Mary: 220; John 450 
D) Mary: 0; John: 0

Quizplus · Accepted Answer

The marginal utility is the change in total utility from consuming one more unit. For Mary, the marginal utility for the 10th unit is -10, and for John, it is 10.

-Refer to the Above Table