Navigate to Network⇒Quotations⇒Quotation
This opens the quotation list page
Double click the quotation you want to add a price break to (or highlight it and press the Edit button)
Click the Quotation Item tab
For the part number that you want to add an additional price, click clone
In the pop up window, enter the quantity for the new price break and then press Save
This creates a new line item with the same details as the cloned line but with the new quantity
.Double click on this new line and amend the price to that required for this quantity and then click Save Quotation Item.
Close the quotation item and the screen will go back to the quotation list were you will see your new price break in the list.