Treston,an Automobile Manufacturer,has Recently Implemented a New Database System

Treston,an automobile manufacturer,has recently implemented a new database system.It is confident that this system will help enhance the company's internal (employees) and external (customers and channel partners) communication.Treston is planning to pursue a just-in-time inventory system soon after the database system is implemented.After the implementation of the database system,however,Treston realized that the database system was not effective.Which of the following,if true,can be cited as a reason for the failure of Treston's database system?

A) Microsoft launched a new version of Enterprise Microsoft Access which is better than Treston's database system.
B) The maintenance cost of Treston's new database system was less than the one it was previously using.
C) Treston's new database system was not supported by the database system of its suppliers and distributors.
D) Treston's competitors implemented its database a few days prior to Treston's implementation date.
E) Treston had internally trained personnel managing its new database system,keeping costs low.