Garth Owns Two All-Terrain Vehicles (ATVs),worth $1,000 and $500,respectively

Multiple Choice

Garth owns two all-terrain vehicles (ATVs) ,worth $1,000 and $500,respectively.Helen agrees to buy "Garth's ATV" for $750.Garth believes,in good faith,that he is selling the $500 ATV.Helen believes,in good faith,that she is buying the $1,000 ATV.In this situation

A) Garth is entitled to $750 for the $500 ATV.
B) Helen is entitled to the $1,000 ATV for $750.
C) Helen must buy both ATVs for $1,500.
D) there is no contract.