What Is the Slack Time for Activity B Given the Activity

question 78

Multiple Choice

What is the slack time for Activity B given the activity times and precedence requirements shown in the table? $$\begin{array} { | l | l | l | } \hline \text { Activity } & \text { Time } & \text { Predecessor } \\\hline \text { A } & 5 & - - \\\hline \text { B } & 7 & - - \\\hline \text { C } & 8 & \text { A } \\\hline \text { D } & 7 & \text { A } \\\hline \text { E } & 4 & \text { B } \\\hline \text { G } & 8 & \text { C, D } \\\hline \text { H } & 9 & \text { E, F } \\\hline\end{array}$$

• A) 10
• B) 9
• C) 8
• D) 7

---

Definitions:

Supply And Demand

The economic model that determines the price levels of goods and services based on the relationship between the quantity available and the quantity demanded by consumers.

Price Mechanism

The process by which prices adjust to equilibrate supply and demand, guiding economic actions and resource allocation.

External Cost

A cost that is not borne by the parties directly involved in an economic transaction but by a third party or the environment.

Market System

A market system where investment, production, and distribution decisions are made according to supply and demand, and the prices for goods and services are established within a free pricing mechanism.