The UNITS, REVENUE and COST field are used to store the totals for the warehouse shipments processed for the item in the selected warehouse location. These fields are maintained in both the Weekly and the Monthly file.
Units (Units Sold). The number of units sold from the selected warehouse location during the given period (month or week).
Revenue: The sales revenue (price * qty from each invoice line adjusted to house currency) from warehouse shipments for the item.
Cost: The cost of sales (cost * qty from each invoice line) for the warehouse shipments for the item.