The overall average $($or "average average"$)$ of another process you are monitoring is $100$ units, and the average range is $10.$ If you use a sample size of $6,$ what would the upper control limit on the R$-$chart be$?$

$15\mathrm{.}19$

$20\mathrm{.}04$

$30\mathrm{.}04$

$32\mathrm{.}56$

$0\mathrm{.}00$