Mention the supplier country of Ipoh Coffee and the order ID which had maximum in total payment.
Ipoh Coffee refers to ProductName = 'Ipoh Coffee'; maximum in total payment refers to MAX(MULTIPLY(UnitPrice, Quantity, SUBTRACT(1, Discount)))
SELECT T3.Country, T1.OrderID FROM `Order Details` AS T1 INNER JOIN Products AS T2 ON T1.ProductID = T2.ProductID INNER JOIN Suppliers AS T3 ON T2.SupplierID = T3.SupplierID WHERE T2.ProductName = 'Ipoh Coffee' ORDER BY T1.UnitPrice * T1.Quantity * (1 - T1.Discount) DESC LIMIT 1