Glazer & Hicks Is a Firm That Offers Enterprise Software

Multiple Choice

Glazer & Hicks is a firm that offers enterprise software solutions to independent retailers.The firm recently bagged a contract from a major national retail chain to develop and implement a proprietary software that tracks inventory, restocking, and supplier information.Which of the following actions will be most difficult to perform when implementing the new information system?

A) upgrading the computer systems used by the retail chain
B) writing the programs for creating the software
C) changing the structure of existing databases that reflect supplier and customer data
D) training the employees to use and manage the new system