on 11 et ed XYZ Company is currently selling its single product for $15. Variable costs are estimated to remain at 70% of the current selling price and fixed costs are estimated to be $4,800 per month. If XYZ increases its selling price by 10%, its contribution margin ratio will: d out of question Select one: O a. Cannot determine with the information given. O b. decrease. O c. not change. O d. increase. O e. None of the given answers