Exhibit 15.2 The following questions employ the AON network and completed spreadsheet below. -Slack for activity I is computed as A) LFT_i − EST_i B) LST_i − EST_i C) EST_i − LST_i D) EFT_i − LFT_i

Question

Quizplus · Accepted Answer

Slack for an activity is the difference between the late start time and the early start time or the difference between the late finish time and the early finish time. Therefore, the formula for slack should be LST - EST or LFT - EFT. Option B matches this formula.

Exhibit 15.2 The Following Questions Employ the AON Network and Completed Spreadsheet