A bond has a maturity of 3 years and a coupon of 4.18%. The price is 99.74. The six month T-bill rate is 3.40%. The one year T-bill rate is 3.6%. The rate for discounting a 1.5 year zero is 3.8%. The 2.5 year spot rate is 3.9% and the three year spot rate is 4.3%. What is the two year spot rate? (round to the nearest hundredth)