Calculate the yield to maturity on the following bonds:

a$.$ A $8\mathrm{.}2$ percent coupon $($paid semiannually$)$ bond, with a $$1,000$ face value and $22$ years remaining to maturity. The bond is selling at

$$895.$

b$.$ An $5\mathrm{.}3$ percent coupon $($paid quarterly$)$ bond, with a $$1,000$ face value and $10$ years remaining to maturity. The bond is selling at

$$915.$

c$.$ An $7\mathrm{.}3$ percent coupon $($paid annually$)$ bond, with a $$1,000$ face value and $8$ years remaining to maturity. The bond is selling at

$$1,065.$

$($For all requirements, do not round intermediate calculations. Round your percentage answers to $3$ decimal places. $($e$.$g$.,32\mathrm{.}161))$