If sales are $250,000, variable costs are $125,000, and fixed costs are $100,000, calculate the contribution margin ratio. Select one: O O O O a. 50% b. 40% c. 60% d. 70%

If sales are $250,000, variable costs are $125,000, and fixed costs are $100,000, calculate the contribution margin ratio. Select one: a. 50% b. 40%6 C. 60% d 70%