<prompt> tafadhali geuza maudhui haya ya swahili kwenda kwa kiingereza.wakati wa kuuzwa, mfanyabiashara angehesabu kiasi kilicholipwa na mteja na kuonyesha kiasi, na anaweza kuandaa ankara kwa mteja -  <response>: at the point of sale, the merchant would calculate the amount owed by the customer and indicate the amount, and may prepare an invoice for... 