Answer the following questions (use MS Project Help, if necessary):1. What is the difference between a main summary task and a summary task?2. On the View Tab, what does the Outline button with plus and minus signs do?3. What is a milestone?4. What predefined report can you not make changes to the header and footer?5. Give a real-world example of;Lab 1a Reports1. Project SummaryLab 1b Reports1. Entry Table & Gantt ChartAnswer the following questions (use MS Project Help, if necessary):1. What is the difference between a main summary task and a summary task?2. On the View Tab, what does the Outline button with plus and minus signs do?3. What is a milestone?4. What predefined report can you not make changes to the header and footer?5. Give a real-world example of;Lab 1a Reports1. Project SummaryLab 1b Reports1. Entry Table & Gantt Chart