a credit card has an unpaid balance of 8,210 as of april 5,2017. purchases accounting to 4,045 on groceries and 12,000 on apparels were made on april 12 2017 and april 15 2017 respectively. a cash advance of 10000 was credited to the account with a flat rate og 5% monthly on april 18, 2017. a cash payment of 15,000 was made on april 30,2017. if the company policy excludes cash advances in the computation of the ADB, what is the total finance charges on the May 5, 2017 bill if the interest rate on the ADB is 3.5% per month?