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?a.$446.74b.$459.42c.$461.41d.$507.09