Abra Co. acquired 13,000 shares of Echo Inc. stock in 2017 and held them through 2020. Each year, Echo paid an annual dividend of $42,000. It reported net income of $105,000, $100,000, $110,000, and $102,000 for the years 2017 through 2020, respectively. If Echo had a constant 30,000 shares outstanding in what year did Abra's Stock Investments account have the largest increase? 2019 2017 2020 2018