The yield to maturity (YTM) on 1-year zero-coupon bonds is 6% and the YTM on 2-year zeros is 7%. The yield to maturity on 2-year-maturity coupon bonds with coupon rates of 14% (paid annually) is 6.7%. What arbitrage opportunity is available for an investment banking firm? (Omit the sign in your response.) What is the profit on the activity? (Do not round intermediate calculations. Round decimal places. Omit the "$" sign in your response.)