Vanessa has a revolving credit account at an annual percentage rate of 12%. Her previous monthly balance is $427.24. Find the new balance if Vanessa's account showed the following activity. (Use the unpaid balance method) STATEMENT OF ACCOUNT Billing cycle: July 1-31 July 6 Mega Video $140.54 July 9 Payment 254.80 July 14 Kate's Katering 125.98 July 18 Oil Supply (credit) 174.21 July 22 Cash Advances 213.21 Answer a. $482.23 b. $557.96 c. $542.17 d. $444.58