In October, Jim charged all the supplies for his Halloween party to his Visa card. On November 5, the billing date, Jim had a balance due of

$275. From November 5 through December 4, he did some shopping and charged items totaling $320. He made a payment of $145. a) Determine the finance charge due on December 5, using the unpaid balance method. The interest on his card is 15.6%. b) Determine the new account balance on December 5.