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