List the quantity and price of the product bought by Abigail Henderson.
SELECT T2.Quantity, T1.Price FROM Products AS T1 INNER JOIN Sales AS T2 ON T1.ProductID = T2.ProductID INNER JOIN Customers AS T3 ON T2.CustomerID = T3.CustomerID WHERE T3.FirstName = 'Abigail' AND T3.LastName = 'Henderson'