Ester Sells Shares in Fast Food Franchise Company to Gaye

Multiple Choice

Ester sells shares in Fast Food Franchise Company to Gaye. Ester does not hand the stock certificates to Gaye, but gives her the key to a safety-deposit box in Heartland Bank in which the certifi?cates are locked. Presenting the key is

A) incomplete delivery.
B) constructive delivery.
C) production.
D) conversion.