Crane Bunyon Lumber Co. produces several products that can be sold at the split-off point or processed further and then sold. The following results are from a recent period: Product Sales Value at Split-off Additional Variable Costs Sales Value after Further Processing Green lumber $145600 $21800 $167400 Rough lumber 110000 25300 154000 Sawdust 90000 17100 115200 Which products should be processed further?