A stock had returns of 17.68 percent. -5.04 percent, 20.27 percent, and 8.53 percent for the past four years. What is the variance of the returns? Multiple Choice O .11435 O .01744 O .01308 .01569 O O O .00611 A bond had price of $945.60 at the beginning of the year and a price of $977.09 at the end of the year. The bond's par value is $1,000 and its coupon rate is 4.5 percent. What was the percentage return on the bond for the year? Multiple Choice 3.22% 4.61% O O 8.09% O 7.08% O 8.63%