A firm with $50,000 in fixed costs, selling price of $25 per unit, and variable costs of $5 a unit is currently operating at breakeven volume. This firm has: O a profits of $50,000. a. O b.profits of zero. O csales of 5,000 units. O d. losses equal to fixed costs. An organization's total costs are typically divided into: a. liabilities and assets. O b. expenses and revenues. O c. salaries and overhead. O d. variable costs and fixed costs. The breakeven model assumes per-unit variable costs do not change at different levels of operation. In reality, per-unit variable costs often go down as production quantities increase. O a. True O b. False