47. Last year, the contribution margin ratio of Lamesa Company was 30%. This year, fixed costs are expected to be P120, 000, the same as last year, and revenues are forecasted at P550, 000, a 10% increase over last year. For the company to increase operating income by P15,000 in the coming year, the contribution margin ratio must be A. 20% C. 40% B. 30% D. 70%