Healthy Eats produces three products from a single raw material. The total cost is $160,000 and the number of units for each product is as follows: Product A: 10,000 units Product B: 10,000 units Product C: 15,000 units Product A can be sold at the split-off point for $4 per unit, or it can be processed further at a cost of $25,000 and then sold for $10 per unit. Should product A be sold at the split-off point or processed further? Why?