Lee Company has the following information for November: Sales Variable cost of goods sold Fixed manufacturing costs Variable selling and administrative expenses Fixed selling and administrative expenses $1,000,000 490,000 170,000 112,000 100,000 Determine the November (a) manufacturing margin, (b) contribution margin, and (c) operating income for Lee Company (Please show calculations to receive full credit) a) Manufacturing margin b) Contribution margin c) Operating income B IV A - A - IX X X, DE v VX CITT: 12pt Paragraph