Contribution margin ratio a. Coastal Company budgets sales of $830,000, fixed costs of $18,700, and variabie costs of $83,000. What is the contribution margin ratio for Coastal Company? x \% b. If the contribution marg in ratio for Bushner Company is 61%, sales were $834,000, and fixed costs were $351,030, what was the operating income? Fengbsa F Cwat by wok a. Sales minus variable costs equals contribution margin. Contribution margin divided by sales equals contribution margin ratio. b. Saies bimes contribution margin ratio equals contribution margin. Contribution margin minus fixed costs equals income from operations