Write SQL query to solve given problem: Among the low quality product, which product has the highest line total? List the product name and its line total?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT T1.Name, T2.LineTotal FROM Product AS T1 INNER JOIN PurchaseOrderDetail AS T2 ON T1.ProductID = T2.ProductID WHERE Class = 'L' ORDER BY OrderQty * UnitPrice DESC LIMIT 1