Question 2 A mobile phone manufacturer is going to produce a new mobile phone for senior citizen (Figure Q2). The tasks that have to be done by the manufacturer with times estimates are depicted in Table Q2. Figure Q2 Mobile Phone Drawing Activity Designation Immediate Predecessors Time (mins) Electronic Boards A 3 Camera Module B A 2 LCD Module C A 3 Keypad D B 1 Battery E C, D 3 Screws Put everything together F C, D 1 G E, F 3 Table Q2 Project Activity Designations and Time Estimates (a) Draw a project network diagram for the smart phone project. (b) Determine the critical path(s) of the project and elaborate your observation. (c) Provide any suggestions to shorten the project completion time.