solve the above question on page with proper pattern

Q1 To complete the wing assembly for an experimental aircraft David Gilbert has laid out the seven major activities involved. These activities have been labeled A through G in the following table, which also shows their estimated completed times and immediate predecessors. Immediate Predecessors Activity A B Expected time 4 6 C A D B 10 18 10 10 E CD D F G 4 E David Gilbert would like to determine the critical path for the entire wing assembly project as well as the expected completion time for the total project. In addition, he would like to determine the earliest and latest start and finish times for all activities