Lucky Used Cars,using Their Contracts Form,agree to Sell Alvin a Truck

Essay

Lucky Used Cars,using their contracts form,agree to sell Alvin a truck for $5,000.The contract provides that it may not be modified-except by a signed writing.After entering into the contract,Lucky and Alvin orally agree that Lucky will include new floor mats and a bed liner for an extra $100.At the time of delivery,Lucky refuses to provide the new floor mats and bed liner unless Alvin pays an extra $250.Discuss the enforceability of the oral agreement Lucky and Alvin had.