Contribution Margin United Merchants Company sells 32,000 units at $37 per unit. Variable costs are $26.64 per unit, and fixed costs are $185,700. 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