For example, the price of buying a toilet is 1 1,000 yuan, and the merchant provides installation services, so only one worker who can dismantle the toilet, repair the floor and make a waterproof layer can be hired, and the labor cost is about 1 1,000 yuan; It costs about 100 yuan to buy sand, cement and other materials; Buy waterproof coating about 30 yuan; Buy a splayed gate valve to 10 yuan; If the project goes smoothly, the total cost of changing from squatting to squatting is about 1300 yuan without replacing the floor tiles and wall tiles.