Island Chemicals produces four products from a joint process costing TZS 150,000 per month. After leaving the joint process, the products must be further rened before they are salable. You have been provided with the following information: Product 1Volume Further Processing Costs Selling Price per Unit 31] 15,000 TZS 350,000 T2580 133 25,000 400,000 40 (32 1 0,000 100,000 22 {29 50,000 250,000 10 Required: 1. Allocate the joint costs using the physical miits' method. 2. llocate the joint costs using the net realizable value method