|''begin transaction for client''| Bob |''staff''| John |
|''rent''|1||Truck|''for''|1 day|
|''pay with cash $''|2000.00|
|''complete transaction''|

|''total commission''|
|''staff''|''total''|
|Bill|0.00|
|Pual|0.00|
|John|200.00|