Wal-Mart's revenues exceeded $312 billion in 2005. These revenues were generated by millions of transactions all over

Question:

Wal-Mart's revenues exceeded $312 billion in 2005. These revenues were generated by millions of transactions all over the world: in the United States, Canada, Europe, South America, and Asia. What is the process used by Wal-Mart to transform this tremendous amount of transaction data into summarized information reported to the general public in the form of financial statements?