4 . Ben D. Rules was working on a new , large landscaping project on his property . His neighbor , Dan DeLyon , offered to help and both Dan and Ben worked on the project over several weekends . When the job was done , Bell said , " Dan , I never would have been able to do this without your help . I'm going to pay you $100 . 00 for your efforts ." Dan graciously accepted , but Bell never* paid . Does Dall have any rights against Bell ? Explain