Suppose the following bond quote for IOU Corporation appears in the financial page of today's newspaper. Assume the bond has a face value of $$1,000,$ and the current date is April $19,2022.$

$\backslash$table$[[$Company $($Ticker$),$Coupon,Maturity,Last Price,Last Yield,Estimated Volume$],[$IOU $($IOU$),5\mathrm{.}30,$April $19,2031,91\mathrm{.}645,?,1,827]]$

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

Note: Do not round intermediate calculations and enter your answer as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.$

b$.$ What is the current yield?

Note: Do not round intermediate calculations and enter your answer as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.$

$\backslash$table$[[$a$.$ Yield to maturity,$],[$b$.$ Current yield,$\%$