Suppose a $10-$year US Treasury Note yields $4\mathrm{.}65\%,$ and a $10-$year Lubbock County Note yields $3\mathrm{.}75\%.$ If an investor has a marginal tax rate of $24\%,$ calculate the after$-$tax yield for the taxable bond. $($Enter percentages as decimals and round to four decimals$)$