The diagram below contains the list of activities in a project with their time estimates (in weeks): a. b. A' B 15 25 30 10 G 10 Calculate the earliest start and latest finish times for each node. Determine the critical path(s) and the expected project duration H The diagram below contains the list of activities in a project with their time estimates (in weeks): a. b. A' B 15 25 30 10 G 10 Calculate the earliest start and latest finish times for each node. Determine the critical path(s) and the expected project duration H