Scenario 18-3 Sam Has Two Jobs, One for the Winter and One

Multiple Choice

Scenario 18-3
Sam has two jobs, one for the winter and one for the summer. In the winter, he works as a lift attendant at a ski resort where he earns $13 per hour. During the summer, he drives a tour bus around the ski resort, earning $11 per hour.
-Refer to Scenario 18-3. During the winter months, what is Sam's opportunity cost of taking an hour off work to go skiing?

A) $13
B) between $11 and $12
C) $11
D) less than $11