Cullumber Water is considering introducing a water filtration device for its $20-$ounce water bottles. Market research indicates that

$1,000,000$ units can be sold if the price is no more than $$4.$ If Cullumber Water decides to produce the filters, it will need to invest

$$2,000,000$ in new production equipment. Cullumber Water requires a minimum rate of return of $20\%$ on all investments. Determine

the target cost for the filter. $($Round answer to $2$ decimal places $($e$.$g$.,10\mathrm{.}50).)$

Target cost per unit $