Product K12 is produced for SAR 14 per gallon. Product K12 can be sold without additional processing for SAR 22 per gallon or processed further into Product M27 at an additional cost of SAR 7 per gallon. Product M27 can be sold for SAR 27 per gallon. Prepare a differential analysis on whether to sell Product K12 (Alternative 1), or process further into Product M27 (Alternative 2).