Answer:
Amber's opportunity cost to wash one car = enamel [tex]\frac{1}{7}[/tex] sink.
Explanation:
As given ,
Event A : Amber can wash 14 cars in a day
Event B : Amber can enamel 2 sink.
Then,
The opportunity cost of wash 14 cars in a day = enamel 2 sink
⇒The opportunity cost of wash 1 cars in a day = enamel [tex]\frac{2}{14} = \frac{1}{7}[/tex] sink