Show Me How Contribution Margin Molly Company sells 33,000 units at $16 per unit. Variable costs are $10.24 per unit, and xed costs are $131,700. Determine (a) the contribution margin ratio, (b) the unit contribution margin, and (c) operating income. a. Contribution margin ratio (Enter as a whole number.) 2 % b. Unit contribution margin (Round to the nearest cent.) $[:] per unit c. Operating income $1