On October 1, 2020, Dissux Corporations zero-coupon bonds, which mature 20 years later, are selling for $200. What is the effective annual yield to an investor who buys the $1,000 face value bonds on that date and holds them until maturity? What would the yield be if the same 20 year securities had an 8% coupon rate, made semi-annual payments and sold for $1050?

If it can be done on a financial calculator show how please