Two things happen once the manufacturing order is approved:
- items with are taken off the selected material department - items are taken of the stock in the quantities defined on the manufacturing order.
- product is placed on stock in the selected product department - the product is added to the stock with the unit price and quantity defined on the manufacturing order.
To approve manufacturing order, click on the Approve option in the menu. 
The approved manufacturing orders are colored in black, and the unapproved manufacturing orders are colored in red.
If the sum of values for the used product recipe items is not equal to cost per produced item, warning message shall be displayed.