You have been hired as a consultant for a small retail company that sells widgetsonline. The company is interested in learning how to use their data to improve theirbusiness. They have asked you to write a business case (search term business casetemplate) to explain the justification for implementing a database management systemto improve business intelligence within the company.Within your business case, begin by explaining business intelligence. Then explain data management and how a database management system can facilitate businessintelligence. You should also explain the benefits that the company will experience withthe system.Next, consider the design of the system. Begin by describing the data entities, attributesand keys. For instance, a data entity may be Customer. Attributes of customer mayinclude name and address. The key may be a uniquely assigned customer number. Youshould have at least five data entities in your database. Create an entity-relationshipdiagram showing the relationship between the entities (YouTube search term: entityrelationship diagram tutorial). Create a relational database model to describe the data(YouTube search term: relational database model). References should be included