Prior to the Implementation of SAP at CBI, Why Did

Prior to the implementation of SAP at CBI, why did the inventory data in the warehouse database lag by a day?

A) The data about finished goods inventory used to get updated in the warehouse database only at the end of the day.
B) The warehouse manager did not operate the warehouse database.
C) The accounting department had to verify database entries before sending the information to the sales staff.
D) The sales database was connected to the warehouse database, and this created synchronization issues.