A Company Is Faced with a Project of Implementing a New

question 39

Essay

A company is faced with a project of implementing a new ERP system.The information on activity precedence,time,and cost is given below (time in weeks).
$$\begin{array} { | l | l | r | r | r | r | r | } \hline \text { Activity } & \text { Predecessor(s) } & \begin{array} { l } \text { Standard } \\\text { Time }\end{array} & \begin{array} { l } \text { Crash } \\\text { Time }\end{array} & \begin{array} { l } \text { Standard } \\\text { Cost }\end{array} & \begin{array} { l } \text { Crash } \\\text { Cost }\end{array} & \begin{array} { l } \text { Crash } \\\text { Cost/Wk }\end{array} \\\hline \text { A } & \text { none } & 9 & 7 & \$ 700 & \$ 1100 & \$ 200 \\\hline \text { B } & \text { A } & 7 & 6 & \$ 600 & \$ 750 & \$ 150 \\\hline \text { C } & \text { A } & 5 & 3 & \$ 500 & \$ 1000 & \$ 250 \\\hline \text { D } & \text { B } & 4 & 2 & \$ 550 & \$ 800 & \$ 125 \\\hline \text { E } & \text { C } & 6 & 5 & \$ 800 & \$ 900 & \$ 50 \\\hline \text { F } & \text { D,E } & 5 & 3 & \$ 700 & \$ 1000 & \$ 150 \\\hline \text { G } & \text { D } & 8 & 6 & \$ 1000 & \$ 1200 & \$ 100 \\\hline\end{array}$$
The company would like to determine which activities to crash and by how much in order to
complete the ERP implementation in 24 weeks.Using linear programming and Excel Solver,find
the best solution

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Definitions:

Locus of Control

A psychological concept referring to an individual's belief about the extent of control they have over events in their life.

Androgynous

Exhibiting both masculine and feminine characteristics.

Gestalt Psychologist

A psychologist who studies how people integrate and organize perceptual information into meaningful wholes.

Behaviorist

A psychologist who studies and promotes theories that behavior can be explained through observable actions without the need to consider internal thoughts or feelings.