10 points Save Answer Activity A is activity B's predecessor (A is necessary to B). If both A and B are critical activities and can each be crashed by a maximum of 2 days, which one should be picked to crash first, in order to reduce the project's expected duration? Whichever activity has the lower crashing cost/unit of time Neither - crashing critical activities does not affect the project completion time Activity B since it is the last activity in the project Activity A since it is the first activity