A list of revenue-expenditure when the purchase order is of the.Is there a way to deal with old, broken and prior to release of the new. In order to reduce the cost of the item.
The preparation of income - expenses on the order of a way to manage the first old out first and then the introduction of the new use. To reduce product costs
The research item expense when ordering of a way to manage the before old out first to bring something new works. In order to reduce the cost of goods.