Answer:
a. sharing information across the organization
Step-by-step explanation:
A franchise is an organisation that is authorised to use the brand of another to conduct business. The parent company provides support such as information about the brand and their business activity, and training to the franchise.
In the given scenario Mary Grey was surprised to find customers asking for specials she hadn't been informed of in advance.
This is a failure in the function of sharing information across the organisation.
Ideally information.on products and various campaigns should be first communicated to the franchises before they get to the customer