Waite Company sells 250,000 units at 120 per unit. Variable costs are 78 per unit, and fixed costs are 8,175,000. Determine (a) the contribution margin ratio, (b) the unit contribution margin, and (c) operating income. a. Contribution margin ratio fill in the blank 1 % b. Unit contribution margin $fill in the blank 2 per unit c. Operating income $fill in the blank 3