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 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?
Select one:
a. training the employees to use and manage the new system
b. changing the structure of existing databases that reflect supplier and customer data
c. writing the programs for creating the software
d. upgrading the computer systems used by the retail chain