Carter paid a total interest of $2250 (9% of the cost of the car) for the car.
Explanation:
cost = $25000
Time = 48 months
APR = 4.5%
Interest = (25000 x 4.5 x 2) /100
= $2250
Percentage of interest paid = (2250/25000) x 100
= 9%
Carter paid a total interest of $2250 (9% of the cost of the car) for the car.