Philadelphia Company has the following Information for March: Sales Variable cost of goods sold Fixed manufacturing costs Variable selling and administrative expenses Fixed selling and administrating expenses $479,060 214,415 77,159 50,401 37,618 a. Determine the March manufacturing margin. b. Determine the March contribution margin. c. Determine the March Income from operations for Philadelphia Company. Bryce Co. sales are $867,000, variable costs are $466,100, and operating Income is $226,000. What is the contribution margin ratio? Ca. 41.9% Ob. 53.8% OC. 59.0% od. 46.2%