|''begin admin transaction''| Bill | |''add sales item''|10|''of type''|cake|''costing''|3.00|''each''| |''add sales item''|10|''of type''|chips|''costing''|5.00|''each''| |''complete transaction''| |''sales item list''| | ''name''| ''count'' |''selling price''| | cake | 10 | 3.00 | | chips | 10 | 5.00 |