The critical path on a project has $4$ tasks, A$,$ B$,$ C$,$ and D$.$ The allowable amounts of crashing and the costs for crashing are given as

$\backslash$table$[[$Task$,$#daysallowed,$$$\frac{\text{\$}}{?}$ day,$\backslash$table$[[$# of days$],[$Crashed$]],$Cost$],[A,2,30,15,15],[B,3,50,16\mathrm{.}6666667,33\mathrm{.}33333],[C,1,25,25,0],[D,2,15,7\mathrm{.}5,7\mathrm{.}5],[,,,,$$$55\mathrm{.}83$