Zeke Company sells 25,600 units at $15 per unit. Variable costs are $7 per unit, and fixed costs are $34,500. The contribution margin ratio (rounded to the nearest whole percent) and the unit contribution margin are a. 1% and $15 per unit, respectively b. 53% and $15 per unit, respectively c. 1% and $7 per unit, respectively d. 53% and $8 per unit, respectively