Consider the Project Network and Data Shown Below ADetermine the Critical Path and the Project Completion Time

question 43

Essay

Consider the project network and data shown below: $\begin{array}{|c|c|r|r|r|r|}\hline&& \text { Normal }& \text { Crash } & \text { Normal } & \text { Crash } & \text { Crash Cost }\\\text { Activity } & \text { Slack } &\text { Time } & \text { Time } & \text { Cost } & \text { Cost } & \text { Per Week }\\\hline \mathrm{A} & 0 & 7 & 4 & \$ 400 & \$ 750 \\\hline \mathrm{B} & 1 & 12 & 9 & \$ 1,000 & \$ 2,200 \\\hline \mathrm{C} & 0 & 7 & 6 & \$ 800 & \$ 1,100 \\\hline \mathrm{D} & 0 & 6 & 5 & \$ 600 & \$ 1,000 \\\hline \mathrm{E} & 0 & 8 & 6 & \$ 1,200 & \$ 2,200 \\\hline \mathrm{F} & 9 & 3 & 2 & \$ 800 & \$ 1,000 \\\hline \mathrm{G} & 9 & 3 & 2 & \$ 500 & \$ 650 \\\hline \mathrm{H} & 0 & 4 & 3 & \$ 400 & \$ 600 \\\hline \mathrm{I} & 0 & 6 & 5 & \$ 900 & \$ 1,300 \\\hline\end{array}$

a.Determine the critical path and the project completion time.
b.Determine the crash cost per week for all activities
c.Which activities need to be crashed to reduce the project's completion time by 4 weeks? How much does this cost?

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Definitions:

Lubrication Cost

Expenses associated with the lubrication of machinery and equipment to ensure smooth operation and reduce wear and tear.

Net Operating Income

Income originating from a corporation's central business endeavors, excluding subtractions for interest and taxes.

Variable Component

A portion of a cost or expense that varies directly with changes in production volume, business activity, or other variables.

Least-Squares Regression

A statistical method used to determine a line of best fit by minimizing the sum of the squares of the differences between observed values and those predicted by the model.