I. Development of a new deluxe version of a particular software product is being considered. The activities necessary for the completion of this are listed Activity Normal Crash Normal Crash Immediate Time Time Cost Cost Predecessor A 4 3 2000 2600 B 2 2200 2800 in the table below. C 3 3 500 500 D 8 4 2300 2600 A E 6 3 900 1200 B F 3 2 3000 4200 C G 4 2 1400 2000 D.E (a) What is the project completion date? (b) What is the total cost required for completing this project on normal time