Vanessa has a revolving credit account at an annual percentage rate of 12%. Her previous monthly balance is $447.24. Find the new balance if Vanessa's account showed the following activity. (Use the unpaid balance method.) STATEMENT OF ACCOUNT Billing cycle: July 131 July 6 Mega blu-ray $140.54 July 9 Payment 254.80 July 14 Keen Katering 125.98 July 18 Oil Supply (credit) 134.21 July 22 Cash Advances 293.21?