JoAnn Is a Jewelry Salesperson

Multiple Choice

JoAnn is a jewelry salesperson. She is assigning data types to various fields in her inventory database. Please answer the two questions below.
-One of the fields in the Jewelry Inventory Database asks whether or not JoAnn has the customer's e-mail address or not. A reasonable data type for this field would be ____.

A) Yes/No
B) On/Off
C) Either/Or
D) Date/Time