1/1-4/1持有期間三個月 100,000*3=300,000
4/1(買回)-7/1持有期間三個月 (100,000-12,000)*3=264,000
7/1(售出)-10/1持有期間三個月 (88,000+12,000)*3=300,000
10/1(增資)-12/31持有期間三個月 (100,000+36,000)*3=408,000
300,000+264,000+300,000+408,000/12(個月)=106,000(股)