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 x product y product z units produced 2,100 2,600 3,600 per unit sales value at split-off $ 19.00 $ 25.00 $ 21.00 added processing costs per unit $ 2.00 $ 4.00 $ 4.00 per unit sales value if processed further $ 26.00 $ 26.00 $ 31.00 the cost of the joint raw material input is $74,000. which of the products should be processed beyond the split-off point? product x product y product z a) yes yes no b) yes no yes c) no yes no d) no yes yes