Respuesta :

3 jackets= $95 jackets = $15Marginal revenue = change in total revenue/change in quantity
15-9= 66/2=3$3.00 marginal revenue

Answer:

12

Step-by-step explanation:

1 jacket = $20

2 jacket = $38

3 jacket = $54

4 jacket = $68

5 jacket = $80

$80-$68 = $12