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 Sales Revenue Cost of goods sold $ (in thousands of dollars) 2020 942 2019 $1,371 2018 $1,113 171 Gross margin 694 447 Operating Expenses Store expenses 135 114 Administrative expenses 129 109 89 Depreciation expense 109 98 Operating income 292 274 Investment income 9 141 12 Financing expenses 26 17 Earnings before income taxes 275 Income tax expense Net earnings 53 $220 $212 $ 139 28