Your Employer Has Asked You to Start Working Overtime and Has

Your employer has asked you to start working overtime and has offered to pay $18 per hour for every hour you work beyond forty hours a week. The wage rate for each of the first forty hours will continue to be the usual $15 per hour. In terms of dollars, what is the marginal benefit of working each hour of overtime?

A) Zero
B) $15.00
C) $3.00
D) $18.00