September: 11,228.38 yuanOctober: -27372 yuanAugust: -5766.84 yuan
Another solutionOctober: -27372 yuan2020:+34,277.8 yuan
April: -985.06 yuanToday's profit: +3537.65 yuanJuly: -356.24 yuan
Strategy guide 12-14
Strategy guide