Demand for rug$-$cleaning machines at Clyde$$s U$-$Rent$-$It is shown in the following table. Machines are rented by the day only. Profit on the rug cleaners is $$18$ per day. Clyde has $2$ of the rug$-$cleaning machines. Demand Frequency $0\mathrm{.}301\mathrm{.}202\mathrm{.}203\mathrm{.}154\mathrm{.}105\mathrm{.}051\mathrm{.}00$ Click here for the Excel Data File a$.$ Assuming that Clyde$$s stocking decision is optimal, what is the implied range of excess cost per machine?