6. Turn-return Company manufactures joint products 1 and 2 as well as by-product 3. Cumulative joint cost data for the period show P204,000, representing 20,000 completed units processed through the refining department at an average cost of P10.20. Costs are assigned to 1 and 2 by the market value method, which considers further processing costs in subsequent operations. To determine the cost allocation to by-product 3, the market value (reversal cost) method is used. Additional data: Quantity processed By-product 3 2,000 units Product 1 8,000 units Product 2 10,000 units Sales price per unit P6.00 P20.00 P25.00 Further processing cost per unit 2.00 5.00 7.00 Marketing and administrative expenses per unit Operating profit per unit 1.00 1.00 Required: a. Calculate manufacturing cost before separation for by-product 3. b. Determine the allocated joint cost to products 1 and 2. c. Determine the total production cost of the three products. d. Prepare an income statement, detailing sales and costs for each product