July: -356.24 yuanFebruary: -5741.46 yuanMarch: 7393.83 yuan
February: -5741.46 yuan2021:+23,432.42 yuanAnother solution
July: -356.24 yuan2021:+23,432.42 yuanToday's profit: +3537.65 yuan
Strategy guide 12-13
Strategy guide