Bavant Publishing Has Decided to Add Some Additional Validation Rules

Short Answer

Bavant Publishing has decided to add some additional validation rules to the Customer table shown in Design view in the acsampanying figure. They have asked you to create these validation rules.
Because many of the customers that Bavant Publishing services are located in Pennsylvania, management would like to minimize any data entry in this field. What property do you need to change and what would you enter in the property box?