Question 10 (1 point) A pension fund has an average duration of its liabilities equal to 15 years. The fund is looking at 8-year maturity zero-coupon bonds and 6% yield perpetuities to immunize its interest rate risk. How much of its portfolio should it allocate to the zero-coupon bonds to immunize if there are no other assets funding the plan? 19.5% 48.9% 32.5% 27.6%