Opportunity Cost - The Real Price of Every Decision
Activity (Answer Key)
Wage-table totals in this key show $64 for four hours skipped, $128 as the real cost of an $80 SAT class once the $48 shift is folded in, and a walk through the marginal call on one more $64 shift against lost sleep and a lower grade.

Download the Activity (Answer Key)
Word (.docx)
Where should I send the next one?
Everything here is free and it stays that way. Leave your email and I'll send you the new lessons as they go up. You can unsubscribe from any one of them.
Did this save you a prep period? You can chip in toward my three kids' daycare fund. Everything on this site stays free either way.