I believe low interest rate is the correct answer
Microsoft Access is a database management system (DBMS) from Microsoft that combines the relational Microsoft Jet Database Engine with a graphical user interface and software-development tools. ... It can also import or link directly to data stored in other applications and databases.
B. LAN
She should choose the LAN because , its secured and wired. On LAN the huge amount of data can be transferred better than WLAN so the best option would be place LAN network for the employees to access the huge amount of data.