The Default Price Group defines the relationship between price on item and price line in Sales Price
table. Defining a Default Price Group will cause Sales Price line to be inserted with that Price Group
when price is inserted or updated in the item. Changing Sales Price Line with the Default Price Group
will also update the item's price.
Note that the Sales Price Line inserted or updating the item price is always with same VAT Bus.
Posting Gr. (Price) and Price Includes VAT setting as the item and empty Starting Date,
Ending Date, Currency Code, Variant Code, Minimum Quantity and Unit of Measure Code empty or the Sales
Unit of Measure.