What is the yield to call of a 20-year to maturity bond that pays a coupon rate of 10.28 percent per year, has a $1,000 par value, and is currently priced at $1, 344? the bond can be called back in 6 years at a call price $1, 093. Assume annual coupon payments. Round the answer to two decimal places in percentage form. (Write the percentage sign in the "unit's" box) You should use Excel or financial calculator