Final answer:
A cracker on a dumpster diving expedition would hope to find documents like invoices, calendars, memos, and organizational charts as these can contain sensitive information that could be exploited.
Step-by-step explanation:
A cracker, in the context of technology and security, is someone interested in breaching security systems for malicious reasons. They might go on a dumpster diving expedition to find sensitive information that has been carelessly discarded. Of the items listed, a cracker would likely be most interested in finding invoices, calendars, memos, and organizational charts. Invoices can contain financial details or account numbers; calendars might reveal important dates and meetings; memos often contain internal communications including sensitive information; and organizational charts could give insight into the structure of an organization, potentially revealing key personnel to target.
However, since the question seems to be about something else, the answer could be different. For example, a cracker might not be interested in random supplies such as newspapers, various types of candy, or other unrelated items found in a dumpster that do not provide any useful information for compromising security.