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Contribution Margin Sally Company sells 34,000 units at $49 per unit. Variable costs are $41.65 per unit, and fixed costs are $102,500. Determine (a) the contribution margin ratio, (b) the unit contribution margin, and (c) income from operations. a. Contribution margin ratio (Enter as a whole number.) $ b. Unit contribution margin (Round to the nearest cent.) per unit c. Income from operations High-Low Method The manufacturing costs of Ackerman Industries for the first three months of the year follow: Total Costs Units Produced January $109,440 1,120 units February 111,870 1,730 March 170,240 2,720 Using the high-low method, determine (a) the variable cost per unit and (b) the total fixed cost. Round all answers to the nearest whole dollar a. Variable cost per unit $ b. Total fixed cost $