20. A company manufactures two joint products at a joint cost of P1,000. These products can be sold at split-off, or when further processed at an additional cost, sold as higher quality items. The decision to sell at split-off or further process should be based on the: a. assumption that the P1,000 joint cost is irrelevant. b. allocation of the P1,000 joint cost using the relative sales value approach. c. assumption that the P1,000 joint cost must be allocated using a physical-measure approach. d. allocation of the P1,000 joint cost using any equitable and rational allocation basis