Tina made a down payment of $1,200 and her monthly payment amount is $200 for 36 months. So we will multiply $200 by 36 and add it to $1,200: $1,200 + 36 * $200 = $1,200 + $7,200 = $8,400. Finally we will add the residual value: $8,400 + $8,500 = $16,900. Answer: C. $16,900
