Use the formula to solve the following:
Formula:
finance charge = new balance × periodic rate
Problem:
Sarah has a department store credit card that charges 2.1575% on any unpaid balance for a given month. Last month, she paid off her balance, so the previous balance on this month's statement is $0. This month, she charged $348.25 on her credit card. If she does not pay the balance in full before the grace period, calculate the finance charge.