Database: regional_sales
Question: What are the names of the top 3 customers who paid the highest amount of price per order after discount?
SQL: SELECT `Customer Names` FROM ( SELECT T1.`Customer Names` , REPLACE(T2.`Unit Price`, ',', '') * T2.`Order Quantity` - REPLACE(T2.`Unit Price`, ',', '') * T2.`Discount Applied` AS T FROM Customers T1 INNER JOIN `Sales Orders` T2 ON T2._CustomerID = T1.CustomerID ) ORDER BY T DESC LIMIT 3