The Activity$-$On$-$Node network relationships and direct cost information of a small project are given on the next page. The indirect cost for this project is $$90/$day$.$ The contract requires that the project be completed within $14$ working days. A penalty of $$25/$day will be imposed for each day of overrun.

You, the project manager, are responsible to make adjustments to the schedule in order to meet the requirement at a minimum cost.

Using time $-$ cost adjustment,

Plot a minimum direct cost curve, indirect cost, and total cost curve for the project, and identify normal, crash, and all crash points on the curves.

When and at what cost will this project be completed after your adjustments? State the reason$($s$)$ to support your decision.