12. Products A, B, and C are produced from a single raw material input. The raw material costs $90,000, from which 5,000 units of A, 10,000 units of B, and 15,000 units of C can be produced each period. Product A can be sold at the split-off point for $2 per unit, or it can be processed further at a cost of $12,500 and then sold for $5 per unit. ProductA should be: A. sold at the split-off point, since further processing would result in a loss of $0.50 per unit. B. processed further, since this will increase prots by $2,500 each period. C. sold at the split-off point, since further processing will result in a loss of $2,500 each period. D. processed further, since this will increase profits by $12,500 each period