A. by the nationals of a country resident within the country
B. from productive activities of nationals of a country both at home and abroad
C. when personal income tax is deducted from personal income
D. when the gross income of an individual is added to personal income tax
Correct Answer: Option C
C. when personal income tax is deducted from personal income
Explanation
Disposable income; income remaining after deduction of taxes and social security charges, available to be spent or saved as one wishes.
