Which of the following is the best formula to use to calculate the size of the database?
A. Installed database size + (number of clients x client system size) + (number of events generated x event size)
B. Installed database size + (number of clients I client system size) + (number of events generated I event size)
C. Installed database size I (number of clients – client system size) + (number of events generated – event size)
D. Installed database size x (number of client + client system size) + (number of events generated – event size)