The following is from the 2018 annual report of kaufman chemicals, inc.: statements of comprehensive income years ended december 31 2018 2017 2016 net income $ 856 $ 766 $ 594 other comprehensive income: change in net unrealized gains on investments, net of tax of $22, ($14), and $15 in 2018, 2017, and 2016, respectively 34 (21 ) 23 other (2 ) (1 ) 1 total comprehensive income $ 888 $ 744 $ 618 kaufman reports accumulated other comprehensive income in its balance sheet as a component of shareholders' equity as follows: ($ in millions) 2018 2017 shareholders’ equity: common stock 355 355 additional paid-in capital 8,567 8,567 retained earnings 6,544 5,988 accumulated other comprehensive income 107 75 total shareholders’ equity $ 15,573 $ 14,985 required: 4. from the information provided, determine how kaufman calculated the $107 million accumulated other comprehensive income in 2018.