Which of the followings are correct about information systems implemented at the operational level and the strategic level? (At least two of the choices are correct) Group of answer choices Information systems at the operational level are designed to automate repetitive activities. At the strategic level, information systems provide KPIs that are focused on balancing performance across the organization. Information systems at the operational level are designed to improve the effectiveness of business processes. Information systems at the strategic level are used to obtain aggregate summaries of trends and projections of the future. Strategic level decisions deal with short-term ramifications for the organization