Susan sells 100 shares of stock (purchased in 2014) of XXX stock on October 31, 2018 at a loss of $10,000. She buys 100 shares of XXX stock on November 8, 2018 for $12,000. Susan has no other sales of capital assets in 2018. What is the impact of these transactions on Susan's 2018 taxable income? What is the tax basis of her XXX shares