Nationwide Manufacturing Company manufactures three products from a common input in a joint processing system. Joint processing costs, up to the split-off point, total $200,000. The company allocates these costs to the joint products on the basis of their total sales value at the split-off point. These sales values are as follows: Product X, $100,000; Product Y, $180,000; Product Z, $120,000.

Each product may be sold at the split-off point or processed further. Additional processing requires no special equipment or facilities. The additional annual processing costs and sales value after further processing for each product are shown below:

Product Additional Process Costs Sales Value

X $ 70,000 $ 180,000
Y 80,000 250,000
Z 24,000 150,000

Which product or products should be sold at the split-off point, and which products should be processed further?