A motor dealer who agreed to sell a car to Mr X but delivered it to Mr Y on the delivery date agreed with Mr X. He has discharged the contract by
performance
frustration
an agreement
breach
Correct answer is D
If one of the parties to a contract breaches an obligation which the contract imposes, that party is in breach of contract. one party's failure to fulfill any of its contractual obligations is known as a "breach" of the contract.