7. The following are cost and sales for Aluminum Products, Inc. At the end of their yearly operations. Sals 100,000 units P 50) Manufacturing costs ( 125,000 units ): P 5,000,000 Variable 750,000 Fixed Selling and administrative expenses (all fixed) 2,125,000 750,000 Required: 1. Compute the per unit manufacturing costthal be used in the valuation of goods sold under (1) full costing (2) variable costing. 2. Compute the income from operation for the year , assuming the use of (1) full costing and (2) variable costing 3. Explain the cause of the different amounts of income from operation under the full costing and variable costing approaches. inventory and in the determination of the cost of