3. Chester borrowed 100,000 at an annual effective interest rate of 5% and agrees to repay it with 12 annual year-end payments. The amount of the last 4 payments is three times the amount of the first 8 payments. Immediately after the 7th payment, Chester decides to pay off the remaining balance with a final payment in the amount of X. With this payment, the overall yield for the lender is 4%. Calculate X. (A) 72,664 (B) 73,221 (C) 73,787 (D) 74,615 (E) 75,434