The activities, their durations and precedences for designing, writing and installing an Innovations computer database are shown in Table Q3. a Draw a network diagram for the project and calculate the fastest time in which the operation might be completed. [10 marks] b If the project time has to be reduced by one week explain in detail how that can be done using the project management techniques and processes. [10 marks] 4 TableQ3 Innovations computer database activities Activity Duration in weeks Activities that must be completed before it can start 1 Contract negotiation 1 2 Discussions with main users 2 1 3 Review of current documentation 5 1 4 Review of current systems 6 2 5 Systems analysis (a) 4 3, 4 6 Systems analysis (b) 7 5 7 Programming 12 5 8 Testing (prelim) 2 7 9 Existing system review report 1 3, 4 10 System proposal report 2 5, 9 11 Documentation preparation 19 5, 8 12 Implementation 7 7, 11 13 System test 3 12 14 Debugging 4 12 15 Manual preparation 5 11 [20 marks]