We have sold $82,384$ Purell Wipe $20$ ct$.$ packages since doing the $2$ for $$4$ promotion. We have had an average retail of $$2\mathrm{.}2461955.$ Retail is $$2\mathrm{.}49$ for a single $($full retail$)$ or $2$ for $$4.$

How many units have we sold as a single $($full retail$)$

How many units have we sold as a $2$ for $$4.$