25. BE.21.01.ALGO Algorithmic) Variable Costing Norwood Company has the following information for March: Sales $470,000 Variable cost of goods told 225,600 Fixed manufacturing costs Variable selling and administrative expenses Fixed selling and administrative expenses 32,900 75,200 42,300 Determine the following for Norwood Company for the month of March: a. Manufacturing margin b. Contribution margin c. Operating income