this relationship?

What is the yield to maturity of the August $2005$ Treasury bond?

$\%($Round to three decimal places.$)$

Data table

$($Click on the following icon in order to copy its contents into a spreadsheet.$)$

Today is February $15,2008$

$\backslash$table$[[$Type$,\backslash$table$[[$Issue$],[$Date$]],\backslash$table$[[$Price $($per$],[$$$100],[$par value$)]],\backslash$table$[[$Coupon$],[$Rate$]],\backslash$table$[[$Maturity$],[$Date$]],$YIM,$\backslash$table$[[$Current$],[$Yreld$]],$Rating$],[$Bond$,$Aug $2005,87\mathrm{.}49,3\mathrm{.}25\%,8-15-2015,-,3\mathrm{.}715\%,$AAA$]]$