Answer:
Birthday gift wich listed on the check register.
Step-by-step explanation:
Discretionary expenses are those costs that can be eliminated or reduced. This is because they are not essential, they are a type of "luxury", which the citizen can live well with his absence. Usually this type of expenditure is the one that is cut first when the budget gets tight.
An example of discretionary expense that is listed on the bank statement or check is the birthday gift listed on the check register.