Please follow the following steps to end-of-month procedure.

Step 1: Printing out inventory report in GEM-CAR:

  • Go to the “Inventory management” / “Product/Job code management”.
  • Click on the printer.
  • In the bottom window,
  • Select the categories (do not select the service or labour categories)
  • Deactivate the instructions 
  • Choose quantities greater than “0”.

When: The last day of the month at the end of operations or the first morning of the month
(option: use a saved copy): Paid service by V2V
Who: Determine who will be responsible: Controller, Parts Director and Owner (in order of priority)
What: Inventory report with the inventoried categories.

Step 2: Print out a statement of the previous and current months

Retrieve the value of your inventory at the beginning of the month.  

Inventory adjustment    

  • Value at the beginning of the month: A (inventory value in your statement)
  • Value at the end of the month: B (GEM-CAR report)
  • Inventory variation C: B-A

E.g.: Starting inventory 30,000, GEM-CAR inventory 100,000, Variation 70,000        

GL Accounting Transaction

  • 1535 parts in inventory     70 0000          CREDIT     
  • 5020 cost of merchandise    DEBIT            70 0000

Cost of merchandise sold:

  • Parts sales: D
  • Parts purchases: E    
  • Inventory variation: F    
  • Cost of parts sold G: E - F

E.g.:  D: 230,000, E: 240,000, F: 70,000, G: 170,000 

  • Profit on parts:  230,000 – 170,000 = 60,000
  • Profit margin: 60,000 / 230,000 = 26.1% (what margin should I have on my parts? FAQ )

Adjustment of core values:

  • Go to the PDV and click the button "Old Core".
  • When: End of the month
  • Validation of credit entries
  • Deletion of cores with credit memo


  • Send cores and credit entries of cores via Purchasing Dep (it is up to you to decide who is responsible)
  • The uncredited cores must be deducted from the cost of merchandise sold


Transaction of expected core credit:

Core GL transaction
YYYY expected credit             DEBIT            X
5020 cost of merchandise          X           CREDIT