Two parties agree on a contract price of $25/unit with a delivery timeline of 14 business days. The seller in this negotiation could have agreed to a delivery timeline of 7 business days without making its situation any worse, and a 7-day timeline would have drastically improved the situation for the buyer. Which of the following describes why this would not be an ideal outcome of this negotiation?

A. The seller's aspiration point was not protected
B. The seller's reservation point was not protected
C. It was not Pareto efficient
D. The seller's BATNA was not strong enough