Select the scenario that describes a bottom$-$up approach to data warehouse design.

Dave$$s Appliances, which is expanding to new locations in the city, collects data into a centralized database, and then redistributes it to three new data marts.

Hollywood Advertising combines established data marts from its San Diego, Los Angeles, and San Francisco offices into a single data warehouse.

Charley$$s Wholesalers combines data from its produce, meat, and dry goods vendors into a centralized data warehouse, then redistributes it among several data marts.

Jaime$$s Research Consulting Firm combines data from its clients into a central database, then redistributes the data to several individual contractors.