Bill Board must choose between two bonds:Bond A pays $$80$ annual interest with semiannual payment and has a market value of $$850.$ It has $9$ years to maturity.Bond B pays $$70$ annual interest with semiannual payment and has a market value of $$900.$ It has $2$ years to maturity.Assume the par value of the bonds is $$1,000.$a$.$ Compute the current yield on both bonds. $($Round the final answers to $2$ decimal places.$)$Current yieldBond A Bond B$\%$b$.$ Which bond should he select based on the answer to part a$?$ Bond A Bond Bc$.$ A drawback of current yield is that it does not consider the total life of the bond. What is the yield to maturity on these bonds? $($Do not round intermediate calculations. Round the final answers to $2$ decimal places.$)$Yield to maturityBond ABond Bd$.$ Has the answer changed between parts b and c of this question? Yes or no $?$