Langzhong beef noodles peak for 6 hours a day. A table for four people for 20 minutes, one hour 12. A table is 72 a day, 10 is probably 720 yuan.

Taking the integer 700 yuan, the price of a bowl of noodles is about 10 yuan on average according to different types. That is, the daily turnover is 7,000 yuan, and the general catering is semi-profitable, that is, 3,500 yuan can be left in hand, and the monthly income is about 654.38+10,000 yuan in 30 days.