$($Yield to maturity$)$ Fitzgerald's $15-$year bonds pay $8$ percent interest annually on a $$1,000$ par value. If the bonds sell at $$895,$ what is the bond's yield to maturity? What would be the yield to maturity if the bonds paid interest semiannually? Explain the difference.

a$.$ The bond's yield to maturity if the bond pays interest annually is $\%.($Round to three decimal places.$)$