An student borrows $ per year for years. The loan has a year minimum monthly payment plan for repayment. After graduation, the weighted average interest rate is If you pay an extra $ per month in addition to the minimum monthly payment, how much will you pay back in total? Do not use comma separators in your answer. Example: $ would be entered as : Solve for the number of periods before multiplying by the total payment. Enter your answer as a positive number.