January:-13,296.2 yuanMay: -4260.08 yuanDecember:
Another solution2020:+34,277.8 yuan2021:+23,432.42 yuan
September: 11,228.38 yuanToday's profit: +3537.65 yuanToday's profit: +3537.65 yuan
Strategy guide
12-13
Strategy guide
12-13