allocate the joint cost

HOMEWORK Heundae Automobiles produces four products from a joint process costing 1,500,000 won per month. After leaving the joint process, the products must be further refined before they are salable. You have been provided with the following information: Product Volume Further Processing Costs Selling Price per Unit 80.000 40.000 28 000.000 22.000 180.000.000 250.000.000 A-19 6.000 B-15 10.000 4.000 C-26 2 D-21 20.000 110.000.000 10.000 Required 1. Allocate the joint costs using the physical unit method 2. Allocate the joint costs using the net realizable value method. 3. Analyze the results from those two methods 4. What do you know about byproduct? Explain