If using Price Matrices populating the quantity field with a value will populate the Price field with the customer and quantity specific combination price for the product/service selected. The Price Matrix appears automatically when either the Quantity or Price fields are selected in the Invoice-Details page.
Price Matrix details for this product/customer combination appears on top left hand side of screen.
Update button disabled. Selecting break quantity will populate next field with the special price.
Default value will be matrix price for that quantity.