calligraph publishing company has created a system for storing every piece of data about every one of its books, both those that have already published and those that are still in production. the production team can input and access information about each book's format, editors can specify which procedures are in use, salespeople can input and access information about each book's sales history and availability, and even some external partners are allowed to access some data. this is an example of a(n)
a. management information system
b. knowledge management system
c. group information system
d. database