(1 point) Mr. Weber purchases a $9000 bond, that pays interest at j1 = 8% and is redeemable at 98 in 12 years. He bought the bond at a price to yield ji = 8.25% if held until maturity. After 7 years, he sells the bond to another investor who will yield 11 = 6.85% if held until maturity. Approximate Mr. Weber's yield on his investment over the 7-year period, using method of averages