w Policies -ent Attempt in Progress effield Corp. sells two types of computer hard drives. The sales mix ox 10-Drive) and 70% 1Q-Drive Plus). Q-Drives variable its per unit of $90 and a selling price of $150 Q-Drive Plus has variable costs per unit of $105 and a selling price of $195. The ghted average unit contribution margin for Shefheld is $75.0 $150 $69.0. $81. Sube Attempts: 0 of 1 used Later