A contractor needs to complete the construction of an office building as rapidly as possible. The information for CPM & PERT analysis is in Table A. Task Description Predecessors Time (Months) A M B A Foundation ------------ 2 1.5 2 3 B Steel Frame A 1 0.5 1 3 C Floors B 3 2.0 3 4.5 D Electrical C 2 1.0 2 3 E Plumbing C 3 2.5 3 5 F Roof C 1 0.25 1 2 G HVAC F 1 0.75 1 1.75 H Exterior D, E, G 3 2.0 3 5 I Interior H 4 3.5 4 4.5 Table A a. Prepare a CPM flow chart using the activity-on-the-arrow method and the "Time" in the table. b. Find