1. You will be paying $10,000 a year in tuition expenses at the end of the next 2 years. Bonds currently yield 8% a (0.25'). What is the present value and duration of your obligation? Hint: It is calculated in Chapter 6 HPart 2 b (0.25'). What maturity and face value of zero-coupon bond would immunize your obligation? Hint: you answer is based on part a c (0.25'). You buy a zero-coupon bond with value and duration equal to your obligation. Now suppose that rates immediately increase to 9%. What happens to your net position, that is, the difference between the present value of the zero-coupon bond and that of your tuition obligation? Hint: interest rate change affects both asset and obligation. d (0.25). What if rates fall to 7%? Is your portfolio immunized from interest rate risk