Mitchell purchased a laptop 3 months ago using his credit card. After making a few payments, the unpaid...

18. Mitchell purchased a laptop 3 months ago using his credit card. After making a few payments, the unpaid balance on his card is now $648.40. If he purchases a printer for $219.95 and makes a payment of $300.00 this month, calculate the new unpaid balance.
The finance charge on his credit card is 1.65% per month on the unpaid balance.
$579.05
$568.35
$675.35
$879.05