Mary Jarvis is a single individual who is working on filing her tax return for the previous year. She has assembled the following relevant information:

● She received $82,000 in salary.

● She received $12,000 of dividend income.

● She received $5,000 of interest income on Home Depot bonds.

● She received $22,000 from the sale of Disney stock that was purchased 2 years prior to the sale at a cost of $9,000.

● She received $10,000 from the sale of Google stock that was purchased 6 months prior to the sale at a cost of $7,500.

● Mary only has allowable itemized deductions of $7,500, so she will take the standard deduction of $12,400. The standard deduction is subtracted from her gross income to determine her taxable income.

Assume that her tax rates are based on the tax tables presented in the chapter.

a. What is Mary’s federal tax liability?

b. What is her marginal tax rate?

c. What is her average tax rate?