TB MC Qu. 6-141 A cement manufacturer has supplied the following 2 A cement manufacturer has supplied the following data: Tons of cement produced and sold Sales revenoe Varlable manufacturing expense Fixed manufacturing expense Variable selling and administzative expense Pixed selling and adainistrative expense Net operating inoone 290,000 $994,000 $235,000 322,000 $172,540 96,000 $168,460 The company's contribution margin ratio is closest Mutiple Choice 2.0 8 2 3 4