4) Please be very clear with your answer. please put a box around each section,Thank you!

Contribution Margin Molly Company sells 33,000 units at $13 per unit. Variable costs are $7.41 per unit, and fixed costs are $55,300. 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 per cent.) unit C. Operating income