Q 4.39: Emily sells a stock that she has owned for 6 months and a day because she disagreed with the company's policy on global warming. She lost $3,000 from the sale. She has no other capital asset transaction this tax year. What implication will this have on her federal income tax? A Deduction worth her effective tax rate. Deduction worth 15%. C Deduction worth her marginal tax rate. Deduction worth 20%