3. Balancing utility and price Suppose Teresa has to choose between purchasing plane tickets and milk. Which of the following is the utility-maximizing rule that Teresa should follow while choosing the optimal quantities of these two goods? (Note: In the answer options that follow, MU stands for "marginal utility.") O (MU of Milk) × (Price of Milk) = (MU of Plane Tickets) × (Price of Plane Tickets) O MU of Milk = MU of Plane Tickets MU of Milk MU of Plane Tickets Price of Milk Price of Plane Tickets MU of Plane Tickets Price of Milk MU of Milk Price of Plane Tickets Since milk costs little and plane tickets are expensive, it must follow that when people choose their optimal quantities of milk and plane tickets to purchase, the marginal utility they receive from the last plane ticket they buy is v than the marginal utility they receive from the last gallon of milk they buy.

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3. Balancing utility and price
Suppose Teresa has to choose between purchasing plane tickets and milk.
Which of the following is the utility-maximizing rule that Teresa should follow while choosing the optimal quantities of these two goods? (Note: In the
answer options that follow, MU stands for "marginal utility.")
O (MU of Milk) x (Price of Milk) = (MU of Plane Tickets) x (Price of Plane Tickets)
O MU of Milk = MU of Plane Tickets
MU of Milk
MU of Plane Tickets
%3D
Price of Milk
Price of Plane Tickets
MU of Milk
MU of Plane Tickets
=
Price of Plane Tickets
Price of Milk
Since milk costs little and plane tickets are expensive, it must follow that when people choose their optimal quantities of milk and plane tickets to
purchase, the marginal utility they receive from the last plane ticket they buy is
v than the marginal utility they receive from the last
gallon of milk they buy.
Transcribed Image Text:3. Balancing utility and price Suppose Teresa has to choose between purchasing plane tickets and milk. Which of the following is the utility-maximizing rule that Teresa should follow while choosing the optimal quantities of these two goods? (Note: In the answer options that follow, MU stands for "marginal utility.") O (MU of Milk) x (Price of Milk) = (MU of Plane Tickets) x (Price of Plane Tickets) O MU of Milk = MU of Plane Tickets MU of Milk MU of Plane Tickets %3D Price of Milk Price of Plane Tickets MU of Milk MU of Plane Tickets = Price of Plane Tickets Price of Milk Since milk costs little and plane tickets are expensive, it must follow that when people choose their optimal quantities of milk and plane tickets to purchase, the marginal utility they receive from the last plane ticket they buy is v than the marginal utility they receive from the last gallon of milk they buy.
Expert Solution
Step 1

The utility gets maximized at the bundle where the marginal utility per dollar spent is the same for each good.

The condition is:

MUXPX=MUYPY

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