Its actually law question but the subject comes under accounting.

8. A builder contracted to build a house for a contract price of $95,000. Can the builder claim payment where: (1) the builder did some of the work worth $45,000, but then abandoned the contract; (2) the builder essentially finished the contract, with some minor details to be fixed; or (3) the builder arrived on time to start the job, but the client sent the builder away and did not want to go ahead with the contract