5.0 5.5 4.5 1.0 A B 7.0 E 0.5 5.5 D 7.5 Activity Normal Cost Crash time (days) Crash Cost P3,000 3.50 P4,000 AC P5,000 4.50 P5,250 AD P4,000 4.00 P4,750 BE P6,000 5.00 P7,000 CE P8,000 5.00 P9,200 DE P6,000 6.50 P6,750 BC P2,500 0.50 P3,500 BD P2,000 0.25 P2,500 (a) What is the expected time in the critical path? (5pts) (b) What is the total cost required for completing this project on normal time? (5pts)