Find the net profit of the floral products which were delivered in 2021.
floral product refers to Product Name = 'Floral'; total net profit = SUM(Subtract(Unit Price, Unit Cost)); delivered in 2021 refers to DeliveryDate LIKE '%/21'
SELECT SUM(REPLACE(T1.`Unit Price`, ',', '') - REPLACE(T1.`Unit Cost`, ',', '')) FROM `Sales Orders` AS T1 INNER JOIN Products AS T2 ON T2.ProductID = T1._ProductID WHERE T1.DeliveryDate LIKE '%/%/21' AND T2.`Product Name` = 'Floral'