could you give the detailed process? thanks

The following table provides the prices of four zero coupon bonds with par values of 100 that will be maturing at the end of years one to four. Zero Coupon Bonds Bonds Maturity Current Prices A Year 1 96.1538 B Year 2 88.9996 Year 3 81.6298 D Year 4 74.8801 i) Determine the rates of return offered on the zero coupon bonds and use these rates to value a four year coupon bond that pays an annual interest rate of 6.5 per cent. (2 marks) ii) Develop a portfolio made up of the zero coupon bonds that replicates the cash flows for the coupon bond. (2 marks) iii) Explain why zero coupon bonds may be of some significance in the valuation of coupon bonds