Sales Management — Assessment

Invoice → order → quotation Quotation → sales order → invoice Order → quotation → receipt Invoice → quotation → order

Sets a discount Caps how much they can owe before new orders need review Deletes old invoices Increases their price

Stock is issued (decremented) Stock increases Nothing It is duplicated

They can be, with no downside Because fulfilling sales draws on real stock and you must see availability in time Because invoices need stock They are unrelated

Manual tallies The connected sales documents and real activity Guesswork The cashier’s memory