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: Select one: a. not change. b. Cannot determine with the information given Oc decrease. d. increase. e. None of the given answers. XYZ Company uses the high-low method to analyze mixed costs. During the year, the highest level of activity was in May and the lowest level of activity was in February. In February, the company worked 11,00 hours and had a total cost of $46,300. In May, the company worked 27,000 hours and had a total cost of $110,300. What is the estimated total cost at an operating level of 20,000 hours? Select one: a. None of the answers given b. $86,300 OC. $82,300 d. $48,550 e. $90,300