please help me

The yield to maturity (YTM) on 1-year zero-coupon bonds is 5% and the YTM on 2 -year zeros is 6%. The yield to maturity on 2 -yearmaturity coupon bonds with coupon rates of 9% (paid annually) is 5.9%. a. What arbitrage opportunity is available for an investment banking firm? b. What is the profit on the activity? (Do not round intermediate calculations. Round your answer to 2 decimal places.)