The collection of data for ratio analysis is done by the and interpretation of ratios and the ability to forecast their future behavior require expertise, which is supported by

The correct answers that fills the gaps are: TPS; DSS.

Explanation:

TPS are information systems that record the basic activities that occur in the organization and provide information that supports the decisions of top-level managers. The tasks are predefined in great detail and the decisions are routine. They are the ones that generate the input data for other information systems. With specific at each stage or to integrate into other organizations so that there is a range of TPS that operate in isolation.

DSS help solve less routine problems by supporting semi-structured or unstructured decision making of middle and upper management.

They are quite personalized as they support poorly structured decisions. Therefore, they must be developed with a high degree of participation of the users of the system to accurately capture the true information needs.

answer; engaging in effective public relations;