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How much do you charge for water and electricity installation?

It was agreed before the renovation, and there are two kinds.

One is the area calculation, for example, every square meter 15 yuan, a 3x4m wall is12m2.

As long as there are wires on the wall, no matter how many wires are pulled, it is 12 square, and so is the water pipe.

The other is calculated by length.

If a water pipe with a length of 10 meter is installed, how much is it per meter?

General installation is uniform, and mixed calculation by square or length will not be accepted. Water and electricity prices are different, and wages vary from place to place.