Valley Produce received $50,000 in vendor financing at 7.8% compounded semiannually for the purchase of harvesting machinery. Equal annual payments of $9,587.89 will repay the debt in seven years, including $17,115.26 in interest. Suppose the loan permits an additional prepayment of principal on any scheduled payment date. Prepare the amortization schedule that reflects a prepayment of $10,000 with the second scheduled payment. How much interest is saved as a result of the prepayment?