Problem 9-20A Return on Investment (ROI) Analysis [LO9-1] The contribution format income statement for Huerra Company for last year is given below Total Sales Variable expenses Unit 1,000,000 $50.00 600,000 30.00 Contribution margin Fixed expenses 400,000 20.00 320,000 16.00 Net operating income Income taxes @ 40% 80,000 32,000 4.00 1.60 Net income $ 48,000 S 2.40 The company had average operating assets of $506,000 during the year