The following is the selling price and cost information about three joint products: X Y N Anticipated production 12,000 lbs. 8,000 lbs. 7,000 lbs. Selling price/lb. at split-off $16 $26 $48 Additional processing costs/lb. after split-off (all variable) $8 $20 $20 Selling price/lb. after further processing $20 $40 $70 The cost of the joint process is $120,000. Which of the joint products should be processed further? Ox Both X and Y Oz