8. (12 points) Ray has a credit card with a balance of $645.17 and an annual interest rate of 19%. Since that last bill, Ray made a $350 payment, but has made a $135.96 purchase for groceries, $287.61 purchase for car maintenance and a $72.18 purchase for a new pair of shoes. He also had a return totaling $27.81. Using the unpaid balance method, what is Ray's credit card bill at the end of the billing period? What is the finance charge for the next billing period?
Previous balance:
Finance charge on previous balance:
Total purchases made:
Payments:
Total bill for the next billing period:
Finance charge for the next billing period:
