A Viability study is an in depth investigation of the profitability

Profit (accounting)

In accounting, profit can be considered to be the difference between the purchase price and the costs of bringing to market whatever it is that is accounted as an enterprise in terms of the component costs of delivered goods and/or services and any operating or other expenses.-Definition:There are...

 of the business idea

Business idea

A business idea is a concept which can be used for commercial purposes.It typically centers around a commodity or service that can be sold for money, according to a unique model.There are several methods for developing and testing a business idea...

 to be converted into a business enterprise.

Feasibility report

This type of report studies a situation (for example, a problem or opportunity) and the plan for doing something about it, then determines whether that plan is "feasible". This would involve determining whether it is technologically possible to achieve and whether it is practical in the current technological, economical and social scenario. The feasibility report does not provide a simple "Yes" or "No" answer, but is used in the analysis

Analysis

Analysis is the process of breaking a complex topic or substance into smaller parts to gain a better understanding of it. The technique has been applied in the study of mathematics and logic since before Aristotle , though analysis as a formal concept is a relatively recent development.The word is...

 of a decision. It is not just a tool to provide a recommendation, it is also used to gather data and give reasoning behind the recommendation given, to be later used in evaluation.

Recommendation report

This type of report examines either a stated need or a selection of choices, or in some cases both. The report is a collection of analysis and evaluation of the situation, and generally will examine the strengths and weaknesses, opportunities and threats (See SWOT Analysis

SWOT analysis

SWOT analysis is a strategic planning method used to evaluate the Strengths, Weaknesses/Limitations, Opportunities, and Threats involved in a project or in a business venture...

) in the situation, take them into account, and be combined with the feasibility report in order to give a recommendation. Sometimes a recommendation can be given to do nothing, if all options currently possible would prove unbeneficial. The recommendation report answers the question "Which option should we choose?" (or "Which are the best options?") by allowing a recommendation to be made. This can be linked into the analysis of the continuum of choice in the scenario.

Evaluation report

This type of report provides an opinion or judgment rather that is based on the above two report, along with additional data available. It provides a studied opinion on the value or worth of something. This type of report compares the object of the analysis to a set of requirements (or criteria) and determines how well it meets those requirements. Generally, the evaluation report will feature an overall recommendation on the course of action to be taken.