Molly Ellen, bookkeeper for Keystone Company, forgot to send in the payroll taxes due on April 15. She sent the payment November 8. The IRS sent her a penalty charge of 9.20% simple interest on the unpaid taxes of $4,000. Calculate the penalty. (Remember that the government uses exact interest.) (Use Days in a year table.) (Do not round Intermediate calculations. Round your answer to the nearest cent.) Penalty