Activit Preceding Optimistic Duration Most Likely Pessimistic Crash Max Duration Duration A Activity Cost ($) Crash (Days) (Days) (Days) (Per Day) (Days) A 30 32 33 B A 32 36 39 1,125 1 C A 32 36 39 1,136 2 D B, C 30 31 33 2,147 1 E D 24 27 29 1.109 F D 42 49 53 2,158 G D 32 35 39 1.178 0 H E, F, G 26 29 35 2,320 1 a. What is the expected duration of the project? b. It is imperative that the project be crashed by 4 days. Which activities, in order of crash selection, shall be crashed? c. What is the estimated total crashing cost incurred?