Milkshakes Sodas

-The table above shows Tom's total utility from milkshakes and sodas. A milkshake costs $2.00. How much marginal utility per dollar would Tom get if he purchased the ninth milkshake?
A) 1728 units per dollar
B) 20 units per dollar
C) 10 units per dollar
D) none of the above

Question

Milkshakes Sodas
 
-The table above shows Tom's total utility from milkshakes and sodas. A milkshake costs $2.00. How much marginal utility per dollar would Tom get if he purchased the ninth milkshake?
A) 1728 units per dollar 
B) 20 units per dollar 
C) 10 units per dollar 
D) none of the above

Quizplus · Accepted Answer

The marginal utility of the ninth milkshake is 20 units. Since a milkshake costs $2.00, the marginal utility per dollar is 20 units / $2.00 = 10 units per dollar.

Milkshakes Sodas -The Table Above Shows Tom's Total Utility from Milkshakes and Utility