Subnet the classful IP Address $167\mathrm{.}1\mathrm{.}1\mathrm{.}0$ so you have at least $20$ subnets. Each subnet must have room for $122$ hosts. Which of the following subnet masks would work for this design?

Group of answer choices

$255\mathrm{.}255\mathrm{.}248\mathrm{.}0$

$255\mathrm{.}248\mathrm{.}0\mathrm{.}0$

$255\mathrm{.}255\mathrm{.}128\mathrm{.}1$

$255\mathrm{.}255\mathrm{.}255\mathrm{.}192$