A)
Down Payment = 3900
Loan Amount - 15,300 - 3900 = $11,400
Total Paid on Loan = $252.34 (monthly) for 4 years (4 x 12 = 48 months).
So, he paid
So, total amount Tony paid for the car is "downpayment (3900) + loan amount with interest (12,112.32)".
So,
Answer: $16,012.32
B)
The interest is the excess amount on the loan.
Loan amount = $11,400
Loan + Interest amount = $12,112.32
Thus, the interest amount is 12,112.32 - 11,400 = $712.32
Answer: $712.32