Which of the following is not a risk associated with erp implementation? a. implementing companies have found that staff members, employed by erp consulting firms, do not have sufficient experience in implementing new systems. b. the selected system does not adequately meet the adopting firm's economic growth. c. a drop in firm performance after implementation because the firm looks and works differently than it did while using a legacy system. d. implementing firms fail to select systems that properly support their business activities. e. all of the are risks associated with erp implementation.