Ace Products has a bond issue outstanding with 15 years remaining to maturity, a coupon rate of 7.2% with semiannual payments of $36, and a par value of $1,000. The price of each bond in the issue is $1,170.00. The bond issue is callable in 5 years at a call price of $1,072. What is the bond's nominal annual yield to call (YTC)? Round your answer to two decimal places. Do not round intermediate calculations.