Product Tango is produced for $24 per gallon. Product Tango can be sold without additional processing for $40 per gallon, or processed further into Product Zulu at an additional cost of $9 per gallon. Product Zulu can be sold for $55 per gallon. Prepare a differential analysis dated October 3 on whether to sell Product Tango (Alternative 1) or process further into Product Zulu (Alternative 2).