1000x12x4.9 = 58,800 RMB. If it is 800X 12X4.9=47040 RMB.
If they have food, it should be fine, but is it wrapped? It's even worse if you don't include living. Generally, one person lives in 200 yuan SGD or several people live in one room. If you need transportation, you have to pay about Singapore dollars in 2 yuan every day. If you want to be close to the workplace, the rent will be very expensive. You can buy a bike.
Where have you been working so much overtime at the hotel? There may be overtime in the factory, but what about in the hotel? I don't know if there is! It's almost 1 1 o'clock when the hotel opens.
If you are a chef, your salary will be higher. If it's just a waiter, the salary must be 800- 1000.
I know a chef from Fujian who cooks in a small restaurant. His salary is 1200- 1500. It was added after three years of work.