The investment is 50,000 to 6,543,800 yuan, and the profit is 8,000 to 6,543,800 yuan. Opening a medium-sized noodle restaurant requires a total of 5000 to 65438+ 10,000 yuan of start-up capital, and the reasonable profit rate can be 30%. The monthly profit can reach 8,000 to 6,543.8+0.5 million yuan, which can guarantee the return of funds within one year.