Inventory Control module of Sage 300 ERP has a provision to setup additional cost amount fields (Alternate Amount 1 and Alternate Amount 2) which can be used as a base for discount pricing, marking up an alternate cost by percentages or by amounts.
The New Stuff : Create significant item name with separator and prefix in sage 300 ERP
In order to use these fields; you need to first assign the name under Processing tab of I/C Options screen (Inventory Control>>IC Setup>>Options). Provide names to Alternate Amount 1 Name and Alternate Amount 2 Name fields.
Note: If you leave these fields blank, they will not appear in other screens.

Note : You can change the field names of Alternate Amount 1 Name and Alternate Amount 2 Name at any time.

After setting up the field names; these fields will be visible on Location Detail screen where you can enter cost amounts (Costing Unit).

These alternate amount fields can be setup as the base for discount pricing, marking up an alternate cost by percentages or by amounts.

 You can store costs for items in Inventory Control that Sage 300 ERP Order Entry can then use as the basis for tax calculations. (Order Entry uses the tax base you specify in Tax Services.)

The alternate amount fields also appear on Inventory Control reports such as: Location Details, Item Status, Markup Analysis, and Selling Price/Margin Analysis.

Also Read :
1. Standard cost functionality in Sage 300 ERP
2. Different Costing methods in Sage 300 ERP
3. Handling Additional Costs and its Variations in Sage 300 ERP
4. Set Fractional Quantities in Sage 300 ERP
5. Choosing Vendor Contract Cost over IC Vendor Detail Cost in Sage 300 ERP