Dorsey Company manufactures three products from a common input in a joint processing operation. Joint processing costs up to the split-off point total $94,000 per quarter. The company allocates these costs to the joint products on the basis of their relative sales value at the split-off point. Unit selling prices total output at the split-off point are as and follows: Quarterly Product Selling Price Output 3 per pound 20,000 pounds 4 per pound 25,000 pounds 16 per gallon 4,000 gallons Each product can be processed further after the split-off point. Additional processing requires no special facilities. The additional processing costs (per quarter) and unit selling prices after further processing are given below: Additional Product Processing Costs Selling Price 4 per pound 40,000 36,000 6 per pound 21 per gallon 17,750 Required: product. a. Compute the incremental profit (loss) for each