You have an outstanding student loan with required payments of $550 per month for the next four years. The interest rate on the loan is 8.25% APR (monthly). You are considering making an extra payment of $150 today (i.e., you will pay an extra $150 that you are not required to pay). If you are required to continue to make payments of $550 per month until the loan is paid off, what is the amount of your final payment? What effective rate of return (expressed as an APR with monthly compounding) have you earned on the $150? (Note: Be careful not to round any intermediate steps less than six decimal places.)

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Part 1 If you are required to continue to make payments of $550 per month until the loan is paid off, what is the amount of your final payment? The final payment is $ (Round to the nearest cent.)

Part 2

What rate of return (expressed as an APR with monthly compounding) have you earned on the ? The effective rate is APR with monthly compounding