Using an appropriate method, find which activities that need to be crashed. It is required to minimize the total cost. If the total crashing cost exceeds the additional payment of $$200,000,$ it is not required to crash beyond that amount. Identify which activities needs additional resources. Identify the completion time for the activities that needs to be crashed.

Update the project network and show a control schedule. See Figure $5\mathrm{.}15$ in the textbook. $($Also$,$ in presentation $5$ slide $73).$

Estimate cost at completion $($EAC$).$