You find the following Treasury bond quotes. To calculate the number of years until maturity, assume that it is currently May $2022.$ All of the bonds have a par value of $$1,000$ and pay semiannual coupons.

$\backslash$table$[[$Rat$,\backslash$table$[[$Maturity$],[$Month$/$Year$]],,,,],[??,$May $32,\backslash$table$[[$Bid$],[103\mathrm{.}4547]],\backslash$table$[[$Asked$],[193\mathrm{.}5275]],$Change,Ask Yie$],[6\mathrm{.}002,$May $35,104\mathrm{.}4887,\backslash$table$[[103\mathrm{.}5275],[104\mathrm{.}6344]],+\mathrm{.}3235,5\mathrm{.}899],[6\mathrm{.}1,$May $41,??,\backslash$table$[[\backslash$table$[[104\mathrm{.}6344],[??]]]],\backslash$table$[[\backslash$table$[[+\mathrm{.}4233],[+\mathrm{.}5340]]]],\backslash$table$[[??],[031]]]]$