The total price is under 4000, and the duration of the work is about 10 (a big work, with a small work). Of course, this is the price with grooving, not grooving to be cheaper about 500. How the algorithm is almost the same.
The electrician has by the day, so the Guangdong side should also be in the 150 or so a day, but the workers are generally not willing. Once again, even if you are willing, the duration is also long. You will feel even more uneconomical when the time comes.
By area is fine, but you are the floor, to add costs. About 30 yuan per square meter.
By the length of the line is also available, 3-4 yuan per meter, in addition to the connector 5 yuan or so a.
By room there are also, one in about 400 a room.