Assume coupons are paid annually. Here are the prices of three bonds with $10-$year maturities. Assume face value is $$100.$

$\backslash$table$[[$Bond Coupon$],[(\%),$Price $(\%)],[2,80\mathrm{.}43],[4,97\mathrm{.}03],[8,135\mathrm{.}12]]$

a$.$ What is the yield to maturity of each bond?

b$.$ What is the duration of each bond?

Complete this question by entering your answers in the tabs below.

Required $A$

Required B

What is the duration of each bond?

Note: Do not round intermediate calculations. Round your answers to $2$ decimal places.

$\backslash$table$[[\backslash$table$[[$Bond Coupon$],[(\%)$