can you please do both parts of the question without using excel

The yleld to maturity (YTM) on 1-year zero-coupon bonds is 4% and the YTM on 2-year zeros is 6%. The yleld to maturity on 2 -yearmaturity coupon bonds with coupon rates of 14% (paid annually) is 5.0%. Required: a. What arbitrage opportunity is avaliable for an investment banking firm? b. What is the profit on the activity? Complete this question by entering your answers in the tabs below. What arbitrage opportunity is available for an investment banking firm? the arbitrage strategy is to buy zeros with face values of and and respective maturites of one year and two years