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Consider a loan that is to be repaid by 5 non-level annual payments. The principal part of the payments are $300, $500, $900, $400, $800 for payments at the end of years 1, 2, 3, 4, 5, respectively. The interest rate charged by the loan is 10%. Find the payment amounts at times 1, 2, 3, 4 and 5.