November: 10,204.78 yuanJune: 218.53 yuanJune: 218.53 yuan
This year's profit:-17,640.13 yuanAnother solutionDecember:
2021:+23,432.42 yuanJanuary:-13,296.2 yuanMarch: 7393.83 yuan
Strategy guide
Strategy guide 12-14
Strategy guide