Using the unpaid balance method, find the current month's finance charge on a credit card account having the following transactions.   Last month's balance: $475   Last payment: $150   Annual Interest rate: 15%   Purchases:  $569   Returns: $201The finance charge is $ ___________(Round to the nearest cent.)Note: The unpaid balance method calculates the finance charge on a credit card loan by using the simple interest formula I=Prt.