Werner Manufacturing Corporation has a flat-file processing system. The information-processing facility is very large. Different applications, such as order processing, production planning, inventory management, accounting systems, payroll, and marketing systems, use separate tape and disk files. The corporation has recently hind a consulting firm to investigate the possibility of switching to a database management system. Prepare a memo to the top management team at Werner explaining the advantages of a DBMS. Also, discuss the necessity of a database administrator and the job functions this person would perform.