6 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 310,000 $1.940,000 $959,000 $264,000 $357,000 $230,000 $130,000 Prepare a contribution income statement with the above information: The Company's contribution margin is: The Company's variable expense ratio is: The company's contribution margin ratio is