When Jeff's Car Breaks Down,he Asks Kwik Tow,Inc

Multiple Choice

When Jeff's car breaks down,he asks Kwik Tow,Inc.,to tow it from its location to Loyal Repair Shop.There is no discussion of a price,and Jeff and Kwik do not sign any documents.After the tow,Kwik sends Jeff a bill.With respect to Jeff's obligation to pay the bill,this is

A) an express contract.
B) an implied contract.
C) a formal contract.
D) no contract.