It Costs $75 Per Day for Each Day That a Construction

question 78

Multiple Choice

It costs $75 per day for each day that a construction crew is on site.The project manager determines that most activities can be crashed and has listed the crashing costs next to the minimum time for each activity.Use this information to determine the lowest cost for this project.All times given are in days. $\begin{array}{|l|l|l|l|l|} \hline&\text { Normal }&\text {Minimum}&\text { Crash Cost }\\ \text {Activity}&\text {Time}&\text {Time}&\text { (\$/day) }& \text { Predecessor }\\\hline \mathrm{A}& 10 & 6 & \$ 70 & -- \\ \hline\mathrm{ B} & 6 & 3 & \$ 40 & -- \\\hline\mathrm{C} & 2 & 2 & - & \text { B } \\\hline\mathrm{D} & 4 & 2 & \$ 60 & \text { C } \\\hline \mathrm{E} & 6 & 4 & \$ 80 & \text { A } \\\hline \mathrm{F} & 8 & 5 & \$ 90 & \mathrm{D}, \mathrm{ E }\\\hline \end{array}$

• A)$1,720
• B)$1,750
• C)$1,780
• D)$1,810

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Definitions:

Cochlear Implants

Electronic medical devices that compensate for damaged or non-functional inner ear parts to provide a sense of sound to a person who is profoundly deaf or severely hard of hearing.

Sense of Taste

The ability to perceive and differentiate the flavors of substances, including sweetness, sourness, bitterness, saltiness, and umami.

Sense of Smell

The ability to detect and identify volatile substances through the olfactory system.

Place Theory

A theory in hearing that suggests different areas of the cochlea are activated by different frequencies of sound, enabling us to discern pitch.