A cement manufacturer has supplied the following data: Tons of cement produced and sold 300,000 Sales revenue Variable manufacturing expense Fixed manufacturing expense Variable selling and administrative expense Fixed selling and administrative expense Net operating income 1,004,000 $ 237,000 $ 328,000 $ 134,480 $ 98,000 $ 206,520 The company's contribution margin ratio is closest to: Multiple Choice 20.6% 67.3% 63.0% xee man expens Variable selling and administrative expense Fixed selling and administrative expense Net operating income > 328, UUU $ 134,480 $ 98,000 $ 206,520 The company's contribution margin ratio is closest to: Multiple Choice 20.6% 67.3% 63.0% 43.7% ***