Activity A 00D B Normal Duration Cost 6 days $ 2,400 7 days 3,500 5 days 3,000 3 days 2,700 4 days 800 5 days 1,200 8 days 2,400 3 days 4,500 $20,500 Crashed Duration Cost 4 days $ 3,600 5 days 5,000 4 days 3,800 2 days 4,500 3 days 1,500 3 days 2,100 5 days 4,200 2 days 7,000 $31,700 D E G H Total costs I 1. Assuming that only activities A, C, E and H are part of the critical path, what are the crashing costs per day of critical path activities? (4) 2. According to the calculation of crashing costs, which activities should be crashed first? (2)