3. Consider the following network for conducting a 2-week (10 working days) computer training class: A B a. Construct a schedule showing: ESs for all activities LSs for all activities Slacks for all activities Critical path b Given the following Crash Time (days) Crashed Cost (total)| Normal Time (days) 7 A: Obtain instructor 4 5800 S500 E: Locate a room 2 3250 3 200 C: Check costs 4 Q00 6 500 D: Room open? i 300 3 200 E: Schedule class 1 550 2 300 $3100 1. Find the crash cost per day. 2, Which activities should be crashed to meet a project deadline of 10 days with a minimum cost? Assume partial crashing. 3. Find the new cost. 4. Is partial crashing an appropriate assumption in this kind of project