Given: A refinery buys crude vegetable oil and refines it to obtain four different products, A,B,C, and D. The annual cost of crudo oil is 27,600$; and until SOP production costs add up to 70,000$ pa. All other relevant data is given in the table below. Required: Write an income statement showing revenues, joint production costs, additional processing costs, total production costs, and EBIT for each product, and the totals; a) Assuming that all products are sold at POS; b) Assuming that all products are sold at SOP. c) If you were in charge, how would you formulate your sales policy'to maximize your profits