D Question 4 When calculating a network schedule, the backward pass (from finish to start) is done to calculate for each activity in the network. early start and early finish times late start and late finish times the predecessors and successors the slack time D Question 5 1 pts The late finish time for an activity is: the median of the late start times of all of the activity's immediate successor activities the latest late start time of any of the activity's immediate successor activities the early finish time of the activity plus its duration the earliest late start time of any of the activity's immediate successor activities