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Question 23 (2 points) A company that produces flash drives for computers sells them for $20 each. Each flash drive costs $13 of variable costs to make. During April, 1,000 drives were sold. Fixed costs for March were $2 per unit for a total of $1,000 for the month. How much is the contribution margin ratio? a) 25% Ob) 35% O c) 65% O d) 75%