if your business location is in Saudi Arabia.
Then you must visit the government official web site The General Authority of Zakat and Tax (Gazt).
To find out the rules, and regulations, Zakat, and taxes, the latest tariff, and applicable date.
That means no Stock Items SKU or UPC.
Service-based businesses have unique accounting needs in comparison to a product-based business. The software needs to be detailed in terms of service line work and less detailed in areas like inventory.