eBook Show Me How Contribution Margin Molly Company sells 20,000 units at $10 per unit. Variable costs are $6.50 per unit, and fixed costs are $37,100. Determine (a) the contribution margin ratio, (b) the unit contribution margin, and (c) operating income. a. Contribution margin ratio (Enter as a whole number.) % b. Unit contribution margin (Round to the nearest cent.) c. Operating income per unit UPDATES AVAILABLE 700 Do you want to restart to install these updates now or try tonight