A Project Has the Activity Duration and Cost Information Indicated

question 89

Multiple Choice

A project has the activity duration and cost information indicated in the table where all times are in weeks.What is the total cost for completing this project in 40 days? $\begin{array}{l|l|l|l|l|l} & & \text { Normal } & \text { Normal } & \\\text { Activity } & \text { Predecessor } & \text { Time } & \text { Cost } & \text { Crash Time } & \text { Crash Cost } \\\hline \mathbf{A} & -- & 3 & \$ 12,000 & 5 & \$ 22,000 \\\hline \mathrm{B} & \mathrm{A} & 12 & \$ 18,000 & 9 & \$ 32,000 \\\hline \mathrm{C} & \mathrm{A} & 15 & \$ 22,000 & 9 & \$ 62,000 \\\hline \mathrm{D} & \mathrm{B} & 3 & \$ 9,000 & 2 & \$ 18,000 \\\hline \mathbb{E} & \mathrm{C} & 9 & \$ 15,000 & 5 & \$ 35,000 \\\hline \mathrm{F} & \mathbb{E} & 7 & \$ 5,000 & 5 & \$ 8,000 \\\hline \mathrm{G} & \mathrm{D} & 3 & \$ 13,000 & 6 & \$ 23,000 \\\hline \mathbb{H} & \mathrm{A} & 12 & \$ 20,000 & 8 & \$ 32,000 \\\hline \mathrm{T} & \mathbb{H} & 6 & \$ 45,000 & 4 & \$ 56,000 \\\hline\end{array}$

• A) $172,000
• B) $218,000
• C) $192,000
• D) $159,000

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Definitions:

Placentals

Mammals that nourish their developing fetus via a placenta, an organ that facilitates the exchange of nutrients, gases, and wastes between the mother and fetus.

Notochord

A flexible rod-shaped structure that provides support in the embryonic stages of all chordates, including humans.

Tunicates

Marine invertebrates, also known as sea squirts, that are part of the subphylum Tunicata, characterized by a tough outer tunic and filter-feeding mode of nutrition.

Lancelets

Small marine animals belonging to the subphylum Cephalochordata, characterized by their fish-like shape and a notochord extending the length of their body.