Problem 12: You own a bond with a duration =5 years. If the interest mite, which is currently =8%, drops by 10 basis points (one tenth of a percentage point), by what percentage do you expect the price of the bond to go up? Problem 15a : You will be paying $10.000 per year in fuition expenses at the end of the next two years. The interest rate is currently =$%. What is the present value and duration of your obligation? Problem 15b: What maturity zero-coupon bond would immunize your obligation