This is a tableau assignment, can you tell me step by step on how to do these

Management wants to see the proportion of the Product Base Margin across the 3 Product Categories. Use a Pie Chart, display the split of the sum of Product Base Margin across the Categories. Add a new sheet titled Q4. Required Components: 1.) Use a Pie to display your results. 2.) The angle of the pie chart is dependent on the sum of Product base Margin. 3.) Label the sections of the Pie Chart with the Product Category and Sum of Product Base Margin

Management is eager to know the Average Sales and Average Discount across the Product Categories and Sub Categories, using a Bar Chart. Add a new sheet titled Q2. Required Components: 1) A bar chart to represent the Average Sales. 2) Color the bar chart using Average Discount 3) Add labels to the bar chart representing average sales for each sub category. Create a new worksheet titled Q2b. Choose another visualization to display the data. What is the difference? Is one preferred over another?