Answer:
$56
Step-by-step explanation:
Given:
Maria paid for ticket = $12
If she worked = $44 (earn)
Opportunity cost = ?
Computation of opportunity cost:
Opportunity cost = Maria paid for ticket + Sacrifice earning
Opportunity cost = $12 + $44
Opportunity cost = $56
Opportunity cost is a type of Imaginary cost that denote, what an individual or firm has to give to gets other opportunity.