Quick Company sells two types of computer chips. The sales mix is 30% (Q-Chip) and 70% (Q-Chip Plus). Q-Chip has variable costs per unit of $30 and a selling price of $50. Q-Chip Plus has variable costs per unit of $35 and a selling price of $65. The weighted average unit contribution margin for Quick is: O A. $50 OB. $23 O C. $27 D. $25