PLEASE SOLVE USING EXCEL FORMULA ONLY!! A bond with a face value of $$1,000$ will mature $7$ years from today. This bond pays coupons semi$-$annually, and it has an annual coupon rate of $6\mathrm{.}50\%.$ If this bond is selling for $$808\mathrm{.}91$ today, what is its yield to maturity? $($Express your answer as an effective annual rate.$)$