|check|''account owing for''|Bob|'''is'''|0.00|

|''begin transaction for client''|Bob|''staff''|Bill|
|''rent''|1||Tricycle|''for''|1 day|
|''pay on account $''|20.00|
|''complete transaction''|

|''rental item subset''|
|''name''|''free count''|
|Tricycle|0|

|check|''account owing for''|Bob|'''is'''|20.00|