Problem:
Mary Watson is 24 years old and single, lives in an apartment, and has no dependents. Last year she earned $45,000 as a sales assistant for Focused Business Analytics: $3,910 of her wages was withheld for federal income taxes. In addition, she had interest income of $142.
Required:
Question: Estimate her taxable income , tax liability, and tax refund, or tax owed.
Note: Provide support for rationale.