Objective: Your task is to create an Entity$-$Relationship $($ER$)$ model tailored for Earnings Call Transcripts. This model should effectively address the research questions in my paper listed below:$1.$What is the name of the firm and the timing of the earnings call conference?$2.$ Who participated in the earnings call conference, what titles do they hold, and what role do they play in the call?$3.$ What is the content of a presentation, question, or answer in an earnings call?$4.$What characterizes a participant's linguistic style?Specifications: Utilize ERwin for crafting your ER Diagram. Your ER Diagram should consist of both a logical model and a physical model. Incorporate the following objects in your diagram: A minimum of two entities. Relevant attributes for each entity. Designated primary keys and foreign keys. Clearly defined relationships between