Ponzi may choose to pay off the loan early if interest rates change during the next ten years. Determine the ending balance of the loan each year under the three different payment plans?

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Chuck Ponzi has talked an elderly woman into loaning him $25,000 for a new business venture. She has, however, successfully passed a finance class and requires Chuck to sign a binding contract on repayment of the $25,000 with an annual interest rate of 10% over the next ten years. She has left the method of repayment up to him.