Generally, water and electricity charges are proportional to business income, but not related to business taxes;

suppose the business income is 1,111 yuan, the water, electricity and 411 yuan, and 5% of the business tax is 511 yuan, and you use 411/511=81%. It is not meaningful to think about 81%, because the electricity fee in water, electricity and electricity is relatively saved when the business state is full (in other words, when the business state is not full, RTVU can't save the lighting consumption, so to speak, it is because the electricity fee usually has a fixed expenditure and is affected.