madin corporation, which manufactures products w, x, y, and z through a joint process costing $18,000, has the following data for the year: sales value product units produced at split-off w 10,000 $5,000 x 6,000 2,500 y 16,000 3,000 z 8,000 4,500 what is the amount of joint costs assigned to product x using the sales-value-at-split-off method?
