Lucky Co$.$ has a $10$ year bond issue outstanding that pays a $9\%$ coupon. The bond is currently priced at $$894\mathrm{.}60$ and has a par value of $$1,000.$ Interest is paid semianually. What is the yield to maturity $)?$ If the bond can be called $3$ years later at a premium of $4\%,$ what is the yield to call $($Excel model$/$command is required$)$