PLEASE HELP THIS FOR A TEST the balance on a credit card, that charges a 20% APR interest rate, over a 1 month period is given in the following table: Days 1-3: $200 (initial balance) Days 4-20: $300 ($100 purchase) Days 21-30: $150 ($150 payment) . What is the finance charge, on the average daily balance, for this card over this 1 month period? finance charge = ? round to the nearest hundredth.