A. Rs. 12,000
B. Rs. 10,000
C. Rs. 8670
D. Rs. 7680
8000 x 20 / 100 = 1600 (so Masood earns 1600 profit (20%)
Aftab Purchase plot at 8000 + (20% which is 1600 ) = 9600
20% of 9600 = 1920 (Loss of Aftab)
So The plot costs Zahid: 9600 -1920 = 7680