Keeping track of actual cost and comparing them to what was actually billed helps you manage your shop more efficiently.
a note in the Work Performed field in all labor, sublet and miscellaneous line items
the actual labor hours in the Flagged Hrs field on all labor line items
the actual cost in the Cost field on all part, sublet and miscellaneous line items
Note: Warning messages can be enabled in the company setup window to display when an invoice is posted without part or labor costs.