July: -356.24 yuan2022:-84,963.5 yuanThis month's profit: +6912.15 yuan
March: 7393.83 yuanThis year's profit:-17,640.13 yuanAnother solution
This month's profit: +6912.15 yuanToday's profit: +3537.65 yuan2021:+23,432.42 yuan
Strategy guide 12-14
Strategy guide