|''begin transaction for client''| Bob |''staff''| Pual |
|''rent''|1||Tricycle|''for''|1 day|
|''pay with cash $''|20.00|

|''total commission''|
|''staff''|''total''|
|Bill|0.00|
|Pual|0.00|
|John|0.00|

|''resume transaction for client''| Bob|
|''complete transaction''|