What is the name of the product with the highest net profit?
highest net profit = Max(Subtract (Unit Price, Unit Cost)); name of product refers to Product Name
SELECT T2.`Product Name` FROM `Sales Orders` AS T1 INNER JOIN Products AS T2 ON T2.ProductID = T1._ProductID ORDER BY REPLACE(T1.`Unit Price`, ',', '') - REPLACE(T1.`Unit Cost`, ',', '') DESC LIMIT 1