Brett and Chris Inc. Construction Company got a contract to construct a water purification system. The details of the project are given below. Time (Days) Cost($) Activity Depends on Normal Crash Normal Crash A 2 2 1,000 1,000 B 7 3 500 900 C A 6 3 300 420 D A 5 4 200 250 E B. C 9 4 600 900 F D 11 6 600 1,000 G E 6 3 700 910 (i) Draw a precedence network (20 points) (ii) Determine critical path (10 points) (iii) Compress the network and determine CC & TC (write complete procedure) (30 points) (iv) Tabulate time and cost data (20 points) (v) Draw a direct cost time-cost curve (20 points)