Поставити в типи питань 1. the is a computer with a leaser scaner that reads and sums up the prices on paked goods at the cashier's desk. 2. the saleswoman tells hiw much to pay. 3. the customers pay the money and leave the shop.

1. Is there a computer with a laser scaner that reads and sums up the prices on paked goods at the cashier's desk?
2. Does the saleswoman tell him much to pay?
3. Do the customers pay the money and leave the shop?