Clarkson and Lee did not have a contract, but Clarkson completed extensive

landscaping in Lee’s yard by mistake while Lee was away on vacation. Clarkson sent Lee a bill for the landscaping service but Lee refused to pay.
Determine the likely result if Clark sues Li to recover the costs of the landscaping. Explain your answer in paragraph form by stating law.
http://www.saylor.org/site/textbooks/Business%20Law%20and%20the%20Legal%20Environment.pdf