Question $6.(12$ points$)$

Manning Company uses a joint process to produce products W$,$ X$,$ Y$,$ and Z$.$ Each product may be sold at its split$-$off point or processed further. Additional processing costs of specific products are entirely variable. Joint processing costs for a single batch of joint products are $$120,000.$ Other relevant data are as follows:

$\backslash$table$[[$Prod$,$Additional$],[$Sales Value,Processing,Sales Value of$],[$at Split$-$Off,Costs,Final Product$],[,$$$40,000,$$$60,000,$$$80,000$