Marcia Wilson owns and operates Marcia's Dry Cleaning, which is an upscale dry cleaner in a well-to-do suburban neighborhood. Marcia has developed an initial database with several tables. Three of those tables are the following: 1. List the Item and Quantity for those of unit price is bigger than $100. ( 2 points) 2. Determine the maximum and minimum TotalAmount. Give the two new fields appropriate names. (3 points) 3. Count the number of customers. ( 2 points) 4. Show and Group customers by LastName and then by FirstName. ( 3 points)