How much do you charge for lifting large glass on the balcony?

According to the floor. 500 yuan is added to the first crane on floors 1 to 10, 500 yuan is added to the first crane on floors1to 20, 600 yuan is added to the first crane on floors 2 1 to 30, and 600 yuan is added to the first crane on floors 3 1 to 40. The balcony is an extension of the interior of the building, where residents breathe fresh air, dry clothes and place potted plants. Its design needs to take into account the principles of practicality and beauty. There are generally three kinds of balconies: cantilever, embedded and corner. Balcony not only allows residents to receive light, absorb fresh air, exercise outdoors, watch and enjoy cool and dry clothes.