June: 218.53 yuan2021:+23,432.42 yuanJune: 218.53 yuan
February: -5741.46 yuanToday's profit: +3537.65 yuanNovember: 10,204.78 yuan
Another solutionThis year's profit:-17,640.13 yuan2020:+34,277.8 yuan
Strategy guide 12-14
Strategy guide 12-14