For the following questions, assume the normal case that coupon payments are somiannual. a. What is the yeld to maturity on a 13 -year, 4.6% coupon bond if the bond is currently selling for $1,000 ? b. For the bond above, suppose that immediately after purchase market rates change to 3.60%. If you hold the bond for 4 years and then sel it, what is your efoctive annual return on this investment? a. The YTM is is (enter response rounded to docimal places; i.e., x%6 ) b. Your effective annual return is % (enter response rounded to docimal places, i.e., xx3 )