51吃瓜

?? ?????? ?? ?????? ?????? ?? ?? ??????? ???????? ??? ?????? ???? ?? ??? ???????? ????? ?????? ???? ????? ??? ????? ??? ?????? ???? ?? ??? ????? ???? ???:

1. ??? ??? ????? ???? ?? ????? ???? ????? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ??? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ????: Equipment depreciation is calculated based on 2 years, 12 months per year, and 22 days and 8 hours per month.

????? 200000 ??? ???? ?? ??? ????? ????? ?? ??? 20 * 10000/2/12/22/8=47.4 ???/???? ?? ??? ??. ?????? ?? ????: ?? ?????? ?? ???? ?? ??? ????? ??? ??? ??? ???? ??? ??? ??? ?? ??? ????? ??. ???? ?????? ?? ???? ????? ??? ??? ????? ?????? ????? 5400 ???/??? ?? ?????? ??? ??. 8 ????? ?????? ?? ?????? 22 ?? ?? ??? ?? ?? ????? ???? 5400 * 3/22/8=93 ???/????

2. ?????? ???? ?? ????: ???????? ??? ??????? ?? ???? ????? ??? ???? ??? ??? ?? ??. ?? ?? ??? ? ?????? ?? ?????? ??? ??? ??? ???? 2000/22/8=11.4 ???/???? ??.

3. ??? ?????? ????? ???? ?? ??????: ????? ????=????? ????+??????? ????+?????? ???? ????+????? ????+?????? ???? ????? ????: ???? ?? ????? ???? ?? ????? ??? ????? ????? ?? ???? 25-60 ???/?????? ?? ????? ??? 4-5 ???? ????? ?? ??????? ?? ????? ?? ???? ??? ???? ?? ???? 6-12 ????/???? ??? ??? ??? ??? ?? ???? 6000 ????/?????/??? ?? ????? ?? ???. ?? 22 ?? ??? 8 ????? ????? ?? ??? ???? ??? ??? ?? ??????? 30 ???? ??? ?? ????? ??? ?? ???? ??. Labor cost=6000/22/8/30=1.14 yuan/square meter Auxiliary material cost: pre-treatment fluid, primer, curing furnace and other auxiliary materials, which is about 50000 yuan. The monthly rate is 22 days and 8 hours, and 30 square meters are sprayed per hour. ?????? ???? ?? ???? 50000/22/8/30=9.47 ???/???? ??? ??? ??? ???? ????? ?? ???? 10.6 ???/???? ??? ?? ???? ???? ????? ?? ????? ??.