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 $$80,000$ in salary.

She received S$12,500$ of dividend income.

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

She received $$22,000$ from the sale of Disney stock that was purchased $2$ years prior to the sale at a cost of $$19,000.$

She received $$10,000$ from the sale of Google stock that was purchased $6$ months prior to the sale at a cost of $$8,500.$

Mary receives one exemption $($S$4,150),$ and she has allowable itemized deductions of $$6,500.$These amounts will be deducted from her gross income to determine her taxable income.

Assume that her tax rates are based on the tax tables presented in question $2$

A$.$What is Mary's federal tax liability? $6$ points

B$.$ What is her marginal tax rate? $3$ points

C$.$ What is her average tax rate? $2$ points