6. Consider a 3 -year, 6% annual coupon rate bond trading at a YTM of 5%. a. What is the Macaulay duration of the bond? b. How much would you lose/gain if you held $500,000 worth of the bond and YTM rose to 6% ? c. What is the new Macaulay duration of the bond after the yield change? d. Answer questions (a)-(c) again for three-year zero-coupon bonds trading at a YTM of 5\%. Can you generalize as to the Macaulay duration of zero-coupon bonds