3. Enrichment Using the expected activity times as the normal times and the following crashing information, determine the activity crashing decisions and revised activity schedule for the warehouse expansion project. Activity Crashed Activity Time (weeks) Cost $ Normal Crashed A 4 1,000 1,900 B 7 1,000 1,800 C 2 1,500 2,700 D 8 2,000 3,200 E 7 5,000 8,000 F 4 3,000 4,100 G 5 8,000 10,250 H 4 5,000 6,400 I 4 10,000 12,400 J 3 4,000 4,400 K 3 5,000 5,500