Expenses are grouped into travel, service parts, consumable parts, always billed and never billed expenses. You may decide whether each different type is billed or not based on the inclusions in the service offering. Each expense may also have a surcharge or discount factor applied
Parts are grouped into catalogs and individual billing rules can be established for each catalog. This helps group together billable and non billable parts. Each part catalog may also have a surcharge or discount factor applied