Normal Crash Activity Immediate Predecessor Normal Time Crash Time Cost Cost A None 3 2 $ 200 $ 400 BCDE A 4 3 $ 300 $ 600 A 1 1 $ 200 $ 200 B and C D 3 2 $ 500 $ 550 2 1 $ 500 $ 900 13. What is the total completion time of this project and total normal cost? a. b. C. d. e. total completion time is 13 days, total cost is $1200 total completion time is 12 days, total cost is $1700 total completion time is 11 days, total cost is $1600 total completion time is 10 days, total cost is $1750 total completion time is 9 days, total cost is $1700