All three videos are now available at 10% off after the final session at the low price of $134.87 for three hours of intensive study of Inventory Parts.

If you wish to purchase just one or two of the series, click on the individual buttons below:

November 14, 2025 Part 1/3 Introduction to Inventory Parts 

November 21, 2025 Part 2/3 Buy and Sell including retail cash register sales 

November 28, 2025 Part 3/3 Adjust, Reconcile and Report   

When it's time to report on the change from last year to the end of the next period, whether it's a month or a year, there's more than counting involved.  It's necessary to record write-downs for loss in value, stolen, lost, or obsolete products.

In Part 1/3

we review how the inventory parts Items are set up, matching the Items to the Balance Sheet, Income and COGS. We look at the Inventory Centre, the Item LIst, types, hierarchy, order of hierarchy, as in what comes first, the size, style, color or type of product, list management, naming, merging and Units of Measure.

Part 2/3

is about buying and selling inventory, including retail cash register sales

Part 3/3 

is about reconciliation, adjustments and reporting on inventory activities. We establish how to report on the continuity of inventory for GAAP and T2125 reporting purposes, using the formula of Opening + Purchases - Adjustments - Ending = WAC of goods sold + Adjustments = COGS.  Not sure what that means? That means this series is for you.

For the download link for the *.QBB backup data files and the continuity spreadsheet edited in week 3...

/Samples/sampledatafiles.html  or loo /Samples/sampledatafiles.html 

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