April: -985.06 yuanOctober: -27372 yuanMarch: 7393.83 yuan
October: -27372 yuanThis month's profit: +6912.15 yuanAnother solution
June: 218.53 yuanThis year's profit:-17,640.13 yuan2021:+23,432.42 yuan
Strategy guide 12-14
Strategy guide 12-14