The balance on a credit card, that charges a 12% 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