DEF Ltd has the following alternative planned activity levels: Level 1 Level 2 Level 3 Total cost 35,000 55,000 75,000 Number of units produced 5,000 10,000 15,000 The fixed overhead remains constant over the activity range shown. What is the variable cost per unit? Question content area bottom Part 1 A. 5.00 B. 4.00 C. 5.50 D. 7.00