Share Sort the data in the worksheet first by Category, and then by Course Title, both in alphabetical order. Use the Subtotal feature to total the number of Total Resident Sales, Total Non-Resident Sales, and Total Sales by Category. Share Sort the data in the worksheet first by Category, and then by Course Title, both in alphabetical order. Use the Subtotal feature to total the number of Total Resident Sales, Total Non-Resident Sales, and Total Sales by Category