3200-5000=-1800 (先把沒有減價的抵消掉)--correct
-1800+3000=1200 (net capital gain) -- correct
1200/2 = 600 (taxable capital gain, 18A) --wrong
should be:
1200-1500 = -300 , (18H =0)
*1500 is the CGT discount of 3000
same as:
3000 x 50% + 3200 -5000 = -300