Cassandra purchased a new car. The car had a list price of $16,870. Cassandra made a down payment of $1,800 and financed the rest, paying 12.3% interest compounded monthly over a payment period of four years. If Cassandra also had to pay 7.8% sales tax, a $895 vehicle registration fee, and a $68 documentation fee, what is her monthly payment?

First calculate the sales tax: $16,870 × 0.078 = $1,315.86. Add the tax and fees, then subtract the down payment: $16,870 + $1,315.86 + $895 + $68 − $1,800 = $17,348.86 financed. With a monthly rate of 0.123 ÷ 12 = 0.01025 and 48 payments, the loan payment formula gives about $459.42 per month, so the correct choice is $459.42.

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