Mitch, a single taxpayer, earns $$110,000$ in taxable income and $$10,000$ in interest from an investment in city of Birmingham Bonds. Using the U$.$S$.$ tax rate schedule for year $2024,$ what is his average tax rate $($rounded$)?$

$($Use $2024$ Tax rate schedule$)$

Multiple Choice

a$.22\mathrm{.}00\%$

b$.13\mathrm{.}01\%$

c$.17\mathrm{.}68\%$

d$.24\mathrm{.}00\%$

e$.$ None of the choices are correct