if posible give me excel answer too

Bonds of 0.5-, 1-, and 1.5 year maturities are zero coupon bonds. The 2 -year bond has an annual coupon rate of 8% and its yield to maturity is also 8%. All the reported yields shown above are on a bond-equivalent basis which is twice of the semiannual bond yields. Answer the following questions: 1. What is the spot rate in year 2 ? 2. What is the forward rate from year 1.5 to year 2