An insurer has to repay $19,487 after seven years, and the current one-year market transfer rate is 10% and the present value of the debt is said to be $10,000. For immunization against interest rate fluctuations, it purchased a three-year unmarked bond of $5,000(face value $6,655) and a permanent pension of $5,000. How MUCH SHOULD THE PROPORTION OF MUI BONDS BE ADJUSTED TO MAINTAIN IMMUNIZATION WHEN THE ONE-YEAR MARKET INTEREST RATE HAS REACHED 8%?

Answer selection group

34.8 %

44.4%

65.2 %

55. 6%

50%