Contribution Margin Molly Company sells 23,000 units at $22 per unit. Variable costs are $15.40 per unit, and fixed costs are $68,300. 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 cont.) c. Income from operations % per unit