Lamar Corporation has a joint process, which produces three products called A, B and C. Each product may be sold at split-off or processed further and then sold. Joint processing costs for a year are $10,000. Other relevant data are:
 
 Sales Value Separable Processing Sales Value
 Product at Split-Off Costs After Split-Off at Completion
 A $94,000 $28,000 $116,000
 B 60,000 8,000 82,000
 C 66,000 14,000 80,000
 
 Required:
 A) Which products should be processed further? Why?
 B) If the Lamar Company maximizes profits, what is the operating income?