WP Corporation produces products X, Y, and Z from a single raw material input in a joint production process. Budgeted data for the next month is as follows: Product XProduct yProduct z Units produced 2,400 2,900 3,900 Per unit sales value at split-off $19.00 $21.00 $24.00 Added processing costs per unit $ 3.00 $ 5.00 $ 5.00 Per unit sales value if processed further $25.00 $25.00 $30.00 The cost of the joint raw material input is $87,000. Which of the products should be processed beyond the split-off point? A) B) C) D) Product x yes yes no no Product Y yes no yes yes Product z no yes no yes