Hello @Elyse I believe you are correct. It is clear that opening Balance is the right Time summary for the Beginning Inventory when we look at the monthly values. See screenshot You can leave it as Beginning Balance Elyse and continue with the training. It seems like one of these small things that need review in the material @ChrisMullen Also, Chris while we are on the topic, I believe the screen for checking the INV01 Line Items formulas and Summary Method section needs review too. The summary method for beginning Inventory seems to be SUM
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