Given the Earliest and Latest Finish Times for Each of These

question 59

Essay

Given the earliest and latest finish times for each of these activities, what are the activity lengths?
$$\begin{array} { | c | c | c | c | } \hline \text { Activity } & \text { EF } & \text { LF } & \text { Predecessors } \\\hline \text { A } & 3 & 3 & \cdots \\\hline \text { B } & 10 & 10 & \text { A } \\\hline \text { C } & 5 & 13 & \text { A } \\\hline \text { D } & 18 & 18 & \text { B } \\\hline \text { E } & 15 & 18 & \text { B } \\\hline \text { F } & 11 & 19 & \text { C } \\\hline \text { G } & 8 & 19 & \text { C } \\\hline \text { H } & 23 & 23 & \text { D, E } \\\hline \text { I } & 15 & 23 & \text { F, G } \\\hline \text { J } & 24 & 24 & \text { H, I } \\\hline\end{array}$$

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Definitions:

Canadian Dollars

The official currency of Canada, represented by the symbol CAD.

Trading Securities

Financial instruments like stocks or bonds held by a firm, primarily for the purpose of selling them in the near term to realize a gain.

Long-term

Pertaining to or occurring over an extended period, often exceeding one year, in the context of investments, loans, or planning.

Profit Margin

A financial ratio that measures the percentage of revenue remaining after all expenses have been deducted from sales.