Two geographically distributed companies have several facilities around the country. The database users in company A need rapid access to common data for read-only purposes. Company B users need rapid access to data for transaction processing purposes. Their sites are autonomous; they do not share the same customers, products, or suppliers Under these circumstances:

1. Which distributed database method is best for company A. Explain your reasoning.
2. Which distributed database method is best for company B. Explain your reasonin