|''rental entry''|
|''client''|''rental item''|''count''|''days''|
|Joanna|coffee dispenser|5|1|
|Joanna|hot water dispenser|2|2|

|''client''|Joanna|''returns''|4|''of''|coffee dispenser|
|''client''|Joanna|''returns''|2|''of''|hot water dispenser|

|''rental list''|
|''client''|''rental item''|''count''|''days''|
|Joanna|coffee dispenser|1|1|
