The statement of income for Dituri Manufacturing Inc. for the years 2018 to 2020 is presented below. Calculate the missing amounts on the statement of income. DITURI MANUFACTURING INC. Statement of Income (in thousands of dollars) 2020 2019 2018 Sales Revenue $1,375 $1,110 Cost of goods sold 945 Gross margin 687 445 Operating Expenses Store expenses 137 112 Administrative expenses 110 Depreciation expense Operating income 282 145 13 Investment income Financing expenses 18 Earnings before income taxes 269 143 Income tax expense 54 Net earnings $215 $217 5