Choice "B" is correct. Online analytical processing allows end users to retrieve data from a system and perform analysis using statistical and graphical tools. A credit card company's system that enables members to interactively query a data warehouse and drill down into transaction and trend information is an online analytical processing system.Choice "d" is incorrect. On line transaction processing systems would process customer payments or other transactions, not analyze data.Choice "a" is incorrect. On line executive information systems would likely provide strategic level information to company leadership, not analytical data to managers.Choice "c" is incorrect. On line information storage systems would likely provide information storage services (e.g., lists of charges by month, etc.) for later retrieval by users without the analytical tools used by an online analytical processing system.