Case #4 Proficient Productions purchases an initial input at a cost of $90,000 and subsequently manufacturers three joint products from the initial input. Information regarding each of the three joint products is as follows: Product X Product Y Product Z Anticipated production (in kg) 7,500 1,500 3,000 Selling price per kg at the splitoff point $15.00 $45.00 $24.00 Additional processing costs per kg after the split-off point $9.00 $18.00 $36.00 Selling price per kg after further processing $30.00 $60.00 $75.00 Required (A)Based on financial considerations alone, which product/products should Proficient Productions sell at the splitoff point and which product/products should the company process further