You own a portfolio of Treasury bonds that has a market value of $88,096.90 today. This portfolio contains 63 zero coupon bonds, each with a face value of $1000, that mature in exactly one year. The portfolio also contains 28 zero coupon bonds ($1000 face value each) that mature in exactly two years. The yield to maturity on the one year bonds is 3%. What is the yield to maturity on the 2-year bonds?