Question

which of these is the best reason for nina to monitor her bank account statements online or on her cell phone app?
to know when her bills are due
to determine the exact date she can retire
to ensure shes paying her fair share in taxes
to know how much money she has for budgeting

Explanation:

Monitoring bank account statements helps in knowing the available balance, which is crucial for effective budgeting. Bills due are usually known from bill - providers, retirement date is determined by multiple factors beyond account statements, and tax - related information comes from tax documents.

Answer:

to know how much money she has for budgeting