4. What sub -discipline of ICT is the Delone and Mclean Is success model from ? 5. What does the Delone and Mclean IS success model tell us? Does the Delone and Mclean IS success model explain causal relationships (i.e. represent a theory)? If not , how could it be used ? Activity 4 NOTE: Work done as part of this activity should be included in your Project Management Portfolio. Using your Literature Review assignment as a project, develop a Gantt chart in Microsoft Project of the activities involved scheduling it so that you can submit by the due date. Your start date should be today (unless you have already started working on it). Your Gantt chart should include: A detailed work breakdown structure Task durations Task dependencies Milestones