Using the May $2097$ Ford Motor $7\mathrm{.}7\%$ bond:

assuming it is a $$1,000$ semi$-$annual coupon bond, find the bond's yield to maturity if the

bond is selling for the following prices:

$($a$)800?($Note: you will have to use $90\%$ as the price in the $=$ price$()$ function$)$

$($b$)1,000?$

$($c$)1,200?$