Information about three joint products is as follows: X Y Z Anticipated production 12,000 lbs. 8,000 lbs. 7,000 lbs. Selling price/b, at split-off $16 $26 $48 Additional processing costs/lb. after split-off (all $8 $20 $20 variable) Selling price/lb. after further processing $20 $40 $70 The cost of the joint process is $140,000. Which of the joint products should be processed further? Oz Both X and Y