Select Store_No,Total from  (SELECT Sale.Store_No, SUM(Sale.Units_Sold* Item.Unit_Price) as Total from Sale, Item where Sale.Item_No = Item.Item_No group by Sale.Store_No)
where Total  IN (Select Max(Total) from (SELECT Sale.Store_No, SUM(Sale.Units_Sold* Item.Unit_Price) as Total from Sale, Item where Sale.Item_No = Item.Item_No group by Sale.Store_No))