A business acquires a new software product, installs it on its hardware, and converts the data to be processed by the software. The business is unhappy with the performance of the new software product. A common reason for this problem is

A$.$ the people were inadequately trained on how to use the new system

B$.$ the hardware is not functional

C$.$ the software is full of errors

D$.$ the network cannot support the data transmissions

E$.$ the software performs the wrong tasks