Penny files as a head of household in 2017and has taxable income of 80,000 including the sale of a stock held as an investment for two years at a gain of $26,000 Only one asset was sold during the year and Penny does not have any capital loss carryovers.

What is the amount of Penny's tax liability?

What is the amount of Penny's tax liability if the stock is held for 11 months?