Answer:
It is advisable to process Z unit further.
Explanation:
Ans: C. Z.
Decision about further processing of Products
Particulars/ Products	X	Y	Z
Selling Price after further processing	$ 20	$ 40	$ 70
Less: Selling Price at split off	$ 16	$ 26	$ 48
Incremental value	$ 4	$ 14	$ 22
Less: Further Processing Cost	$ 8	$ 20	$ 20
Profit / (loss) arising due to further processing (a)	($ 4)	($ 6)	$ 2
Units (b)       12,000       8,000       7,000
Increase/ (Decrease) in Operational Income (a*b)	($ 48,000)	($ 48000)	$ 14,000
It is advisable to process Z unit further.