Consider a project with a life of $3$ years with the following information: initial fixed asset investment $=$ $$420,000$; straight$-$line depreciation to zero over the $3-$year life; zero salvage value; price $=$ $$39$; variable costs $=$ $$17$; fixed costs $=$ $$247,800$; quantity sold $=121,422$ units; tax rate $=24$ percent. How sensitive is OCF to changes in quantity sold? Multiple Choice $$21\mathrm{.}57$ $$16\mathrm{.}72$ $$11\mathrm{.}87$ $$19\mathrm{.}06$ $$0\mathrm{.}06$