Phillippe Inc. manufactures A and B from a joint process (cost = $84,000). Six thousand pounds of A can be sold at split-off for $20 per pound or processed further at an additional cost of $26,000 and then sold for $25 per pound. If Phillippe decides to process A beyond the split-off point, operating income will: Multiple Choice increase by $10,000. increase by $36,000. decrease by $10,000. decrease by $36,000. increase by $4,000