The Claremont School course catalog reads as follows: "To enroll in CISC 288, which is an advanced course, a student must complete two prerequisites: CISC 110 and CISC 286. A student who completes either one of these prerequisites and obtains the instructor's permission, however, will be allowed to take CIS 288." The reason to automate this manual process beside the main objective is to manage students and courses data and register students to courses. Use the previous user story to answer all the following tasks Step 1 Create a Work Breakdown Structure: A. Listing the Tasks . List all tasks Put tasks in order .Add a description . Decide how long each task takes .Decide which tasks must go first B. C. Estimate task duration What is the Critical Path? Step 2 A. 8. Step 3 A. Step 4 Prepare a context diagram for the new system Prepare a level 1 DFD from the context diagram for the new system Sketch all use cases A. initial data model (classes, attributes and relations)