Part 2(55%) : Your team has been asked to test and document enhancements to a web application that allows foreign buyers to purchase custom-printed canvas handbags. The tasks and dependencies are as follows: Create a testing plan Once the testing plan is ready, your team can: Test the user interfaces Test the database Test the network Write the documentation's first draft When the user interface tests are complete, you can: Perform user testing - enlist some users to test the user interface When the database and network testing are complete, you can: Perform integration testing-network with the database When the user testing of the user interface and the database testing are complete, you can: Perform integration testing-database, network, and user interface When all integration testing and user testing are complete, you can: Perform system testing Then you can: Review and revise documentation After all other tasks are complete, you can: Obtain management approval Duration estimates for the tasks: 2.2. Create a network diagram for the project tasks. 2.3. Considering your duration estimates and using the Gantt chart, determine the planned duration for this project. 2.4. Considering your duration estimates and using CPM, i. Determine the critical path and expected project completion time. ii. Calculate the amount of slack available for each task NOT on the critical path. iii. Suppose the user testing of the user interface takes more than your estimated 5 days. What will the impact be on the project duration? iv. If management informed you that you must reduce the planned duration of the project by five days, describe how you, as a project manager, could crash or fast-track this