Supply: Thinking Like a Seller $$ Find of Chapter Problem

a$.$ Akari's boes has offered to pry her for up to $5$ hours of overtime today. Alari has already been working for $10$ hours and is deciding whether to work more hours.

When Akari considers whether she should work one more hour, she is applying the principle.

When Akari weighs the money she will earn from working overtime against what she gives up to work the extra hours, she is applying the principle.

If Akari decides to work the extra hours because she does not think any overtime will be offered in the near future, she is applying the principle.

If Akari decides to work overtime because her next best alternative is watching TV at home, she is applying the principle.

b$.$ Niko, a local UPS manager, is trying to decide whether she should pay for additional truc and drivers.

When Niko considers whether she should pay for one more truck and driver, she is applying the principle.

When Niko compares the cost of a new truck and driver to the benefit of increasing the package center's daily deliveries, she is applying the principle.

If Niko decides that paying for a new software upgrade is a better alternative than paying for additional trucks and drivers, she is applying the principle.

If Niko decides to pay for additional trucks and drivers because she expects the coming season to be extremely busy, she is applying the principle.