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The Serial Numbers column is available if the Use Serial Numbers option is selected on the Administration > Settings > Purchasing and Warehouses form. For each serialized item (for which the Use Serial Numbers check box is selected on the Items form form), click in the column to open the Serial numbers dialog box. In this dialog box, you must enter the serial numbers according to quantity of the item.
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The Price column is filled in automatically if the item was listed in the basis document or in one of the Phased Revenue Recognition documents on the Contract Assets tab.
The Discount,% and Discount (or Discount Price) columns are available if the Enable discounts and markups in sales documents option is selected on the Administration > Settings > Sales form. Use these columns to specify the manual discount granted to the customer. The default discount can be set in the customer contract. For details on discounts in invoice, refer to Creating an Invoice. The Inventory and Services tab.
The values in the Amount column are automatically calculated for each item according to the specified price, quantity, and discount.
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- If the Prices Include VAT option is selected: The VAT amount is extracted from the item amount (Amount), that is, VAT_Amount =Amount*VAT_Rate/(100+VAT_Rate).
- If the Prices do not Include VAT option is selected: The VAT amount is calculated based on the item amount, that is, VAT_Amount = Amount*VAT_Rate/100.
The Total amount is automatically calculated according to the VAT-related settings as follows:
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The Total column shows the total amount that includes the revenue recognized in the Invoice and the revenues recognized earlier for the work in the Phased Revenue Recognition documents listed on the Contract Assets tab, and the corresponding VAT amounts.
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- Average Costs Price: This option is available if the Show Costs in Sales Documents option is selected on the Administration > Settings > Sales form.
- Work Costs by Cost Object: This option is available if the Advanced Product Costing option is selected on the Administration > Settings > Production form. To allocate the costs associated with the specified Cost Object. If there multiple lines with the same Cost Object in the Inventory table, the costs are allocated proportionally to the line amounts.
- Work Costs: To populate with costs associated with the Work item.
- Already Recognized Revenue and Costs: To show the Costs Recognized for Previous Phases tab with information on already recognized revenues and costs. This option is available if the Use Phased Revenue Recognition option is selected in the customer contract.
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The Work Costs pane
The Work Costs pane includes the following two tabs:
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The tab shows the results of the previous phases of recognition (appears if you click Fill > Already Recognized Revenue and Costs on the upper pane toolbar). 
The Phased Revenue Recognition (create) form. The Revenues and Costs tab. The Costs Recognized for Previous Phases subtab
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