A callable bond pays annual interest of $$60,$ has a par value of $$1000,$ matures in $6$ years but is callable in $2$ years at a price of $$1100,$ and has a value today of $$980.$ The yield to call on this bond is $\_\_\_\_\_\_\_\_\_.$ Note: Express your answers in strictly numerical terms. For example, if the answer is $5\%,$ write $0\mathrm{.}05"$