Helen Offered to Sell Her 10-Speed Touring Bicycle to Jane

Helen offered to sell her 10-speed touring bicycle to Jane for $200 on her return from a two-week bicycle trip to a distant city.At the end of the first week,Jane received a long distance telephone call from Helen,in which Helen advised Jane that she had decided not sell the bicycle on her return.Jane was disappointed,as a similar bicycle on the market would cost her at least $250.She decided to wait until Helen returned then urge her to go through with the sale.Before Helen reached home,her bicycle was stolen,and never found.
-Jane is entitled to claim damages for the difference in value between the agreed price and the price of a similar bicycle on the market.