Hi I need to find the demand curve for a consumers surplus

Last updated: 5/25/2023

Hi I need to find the demand curve for a consumers surplus 1st person 7 dollars 2nd person 9 dollars 3rd person 12 dollars 4th person 14 dollars 5th person 15 dollars Each has one sandwhich Each sandwhich costs 7 dollars Consumer s Surplus is 22 dollars