Joe is a regular customer of Ester's Eateries, the corner candy store.One Friday after work, Joe stops into the candy store as he regularly does for a candy bar for his ride home.Ester is very busy and has a line of 5 customers ahead of Joe.He grabs his candy bar, waves it at Ester who sees him and then he leaves without paying.Do Joe and Ester have a contract for the sale of the candy bar?If so, what type of contract would it be and why?If not, why not?