Use the unpaid balance method to find the finance charge on the credit card account. The last month's balance and any other transactions are given. Round to two decimal places Month: May (31 days) Previous month's balance: $950 Interest rate: 20% Date Transaction May 3 made payment of $340 May 12 charged $104 for rental car May 21 charged $89 for museum tickets May 29 returned $67 for camera O A. $751.83 OB. $10.26 OC. $12.53 OD. $30.33