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The contribution format income statement for Huerra Company for last year is given b Total Unit Sales 998, 090 $ 49.90 Variable expenses 598, 800 29.94 Contribution margin 399, 200 19.96 Fixed expenses 321 , 200 16.06 Net operating income 78,090 3.90 Income taxes @ 40% 31, 200 1.56 Net income 46, 800 2.34 The company had average operating assets of $493,000 during the year