You can set up account schedule units as codes that represent different groups of item ledger entries. You can then assign account schedule units to account schedule lines. When you view an account schedule, item unit information is displayed on each line according to the assigned account schedule unit code's defined parameters.
Steps
In the search box, enter Account Schedule Units, and then choose the related link.
On the Home tab, in the New group, choose New.
On the new line, fill in the fields.