A manufacturer of tiling grout has supplied the following data Kilograms produced and sold Sales revenue Variable manufacturing expense Fixed manufacturing expense Variable selling and administrative expense Fixed selling and administrative expense Net operating income 388,00 $2,736,000 $1,349,000 $ 336,000 $399,000 $ 372,000 s 280,008 The company's contribution margin ratio is closest to Multiple Choice 28 9% Prev5 of 25 Next >