ABC Company's sales are $100,000, fixed costs are $50,000, and variable costs are $30,000. ABC Company's contribution margin ratio is Multiple Choice 20%. 30%. 50%. 70%. The cost of a single unit of product in excess of the product's breakeven point expressed in units is 9 Multiple Choice U is fixed cost and variable cost O its fixed cost only its variable cost only Oo. none of the answers are correct