4. Kirk Minerals processes three separate products from a common material extracted from mines incurring joint costs of $180,000. Eaach of the three products can be sold at the split-off point or can be processed further. The following information is available Sales Value if Product Sales Value atAllocated Split-Off Point $210,000 S300,000 Costs to Process Further $110,000 S85,000 $250 Joint Costs S40,000 S60,000 S80 Processed Further S300,00 S400,000 $800 Uhura Sulu $455 Instructions Should each of the joint products be sold at the split-off point or processed further? Why