abbreviated financial statements for archimedes levers are shown in the table below. assume sales and expenses increase by 19% in 2018 and all assets and liabilities increase correspondingly. also assume no new equity is issued and none is repurchased. income statement sales $ 5,800 costs, including interest 4,400 net income $ 1,400 balance sheet, year-end 2018 2017 2018 2017 net assets $ 5,000 $ 4,500 debt $ 2,100 $ 1,933 equity 2,900 2,567 total $ 5,000 $ 4,500 total $ 5,000 $ 4,500 a. what is the value of the addition to retained earnings for 2019? b. what is the residual dividend for 2019?