XYZ Inc. direct materials cost is 400% of the direct labor cost and the latter cost is 50% of the company's conversion cost. If the direct material cost is P40,000, how much is the company's total manufacturing cost? 2. If a company's variable costs are 70% of sales, which formula represents the computation of pesos sales that will yield a profit equal to 10% of the contribution margin when S equals sales in pesos for the period and FC equals total fixed costs from the period? 3. The Montero corp. wants to develop a cost estimating equation for its monthly cost of electricity. It has the following data: Month Cost of Electricity . January April July October . P6,750 7,500 8,500 7,250 Direct Labor Hours Using the high-low method, what is the best equation? 1,500 1,700 2,000 1,600