From the Inventory module:
| 1. | Type IWHE in the NEXT FUNCTION field to access the Item Warehouse History Entry (IWHE) screen. |
| 2. | Type the item number in the first KEYS field. |
| 3. | Type the warehouse ID
in the second KEYS field, and press ENTER.
The Item Warehouse History Entry (IWHE) screen is displayed. The item number and warehouse ID appear in their respective fields on the screen. |
| 4. | Type the forecasted monthly usage of the item for the current month in the FORECASTED MONTHLY DEMAND field. |
| 5. | Type A for moving average in the FORECAST METHOD field. |
| 6. | Type the number of months to be used in the moving average calculation in the FORECAST FACTOR field. |
| 7. | Type the usage (demand) for each month that is included in the forecast in the DEMAND HISTORY fields. |
| 8. | Type the usage (demand) for the current month up to the present in the MTD field and press ENTER. |