Cullumber, Inc. produces flash drives for computers, which it sells for $20 each. Each flash drive costs $7 of variable costs to make During March, 600 drives were sold. Fixed costs for March were $6 per unit for a total of $3600 for the month. If variable costs decrease by 10%, what happens to the break-even level of units per month for Cullumber? It depends on the number of units the company expects to produce and sell. Olt decreases about 30 units. O it is 10% higher than the original break-even point It decreases about 14 units