If sales are $792,000, variable costs are 75% of sales, and operating income is $242,000, what is the contribution margin ratio? Da. 2996 6. 71% c. 75% Od. 25% Previous NE Variable costs as a percentage of sales for Lemon Inc. are 74%, current sales are $604,000, and fixed costs are $208,000. How much will operating income change. If sales increase by $36,4007 Oa. $9.464 increase Ob. $9.464 decrease Oc. $26.936 increase Od. $26.936 decrease Previous Next TI 11/30