Martell Industries has a bond outstanding with a $20-$year maturity, a $12\%$ annual coupon rate, and a $$1,000$ par value. The bond has an $8\%$ yield to maturity, but it can be called in $7$ years at a price of $$1,120.$ What is the bond's yield to call? $[$Hint: Be sure to carry out your calculation to $4$ decimal places if calculating this answer as a decimal or to $2$ decimal places if calculating this answer as a percentage.$]$

$5\mathrm{.}08\%$

$5\mathrm{.}44\%$

$5\mathrm{.}79\%$

$6\mathrm{.}30\%$

$6\mathrm{.}55\%$