with solutions pls

Mienfoo Corporation is a wholesaler that sells a single product Management has provided the following cost data for two levels of monthly sales volume: Sales volume (units) 9,500 11,490 Cost of sales P731,500 P 884,730 Selling and administrative costs P 696,000 P 739,780 The company sells the product for P134.00 per unit. The best estimate of the TOTAL CONTRIBUTION MARGIN when 10,070 units are sold is P