Contribution Margin Willie Company sells 24,000 units at $17 per unit. Variable costs are $9.69 per unit, and fixed costs are $56,100. Determine (a) the contribution margin ratio, (b) the unit contribution margin, and (c) income from operations. 9 a. Contribution margin ratio (Enter as a whole number.) b. Unit contribution margin (Round to the nearest cent.) C. Income from operations per unit