Electronics
Electronics shop billing
Serial and model on the unit. POS at the counter. Repair stays on the same books.
Serial and model
Each unit can carry a serial and a model number. Warranty follows the brand’s own rule.
POS
Mobile, appliance, and accessory sell at the counter. Stock leaves with the bill.
Repair
Job work in is on for a workshop desk beside the shop.
Sales tax
The invoice prints the tax with the seller’s number.