Enter a $0.00 journal deposit transaction with 2 dissections:
Refund the $ value of private use to the original purchase sub-category, selecting the “A” “Adjustment: Prior Taxable” GST rate.
Allocate the same $ value of personal use to your Personal Drawings with a 0 (not applicable) GST rate.
For example, goods originally purchased for resale to the value of $110 was used privately…
Where category 10 is Stock Purchases, and Category 99 is Personal Drawings.