Contribution Margin United Merchants Company sells 38,000 unts at $26 per unit. Variable costs are $15.34 per unit, and fixed costs are $206,600. Determine () 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