At a volume of 50,000 units, Dries reported sales revenues of OMR 1,000,000, variable costs of OMR 300,000, and fixed costs of OMR 140,000. The company's break-even point in units is: Select one: O a. 5,000 units Ob. 20,000 units O c. 10,000 units O d. 15,000 units