CMIS 485 Final projectDevelop an application that allows the input, updating, and deletion of customers, homes, salespersons, and sales from your Reston Real Estate (RRE) Oracle database in the VDA that you have been using since Project #2.Develop a test scenario that adds 3 (three) homes, 3 (three) customers, 1 (one) salesperson (i.e. agent), and 3 (three) sales. Each new customer must be involved in a separate sale for one of the new homes. The new salesperson is involved in all three sales. Take screen snapshots of each step operation mentioned.After the initial data above are input, change one customers last name, another customers address, the salespersons phone number, and the sale amount of one of the homes. Take screen snapshots to prove that this worked.Provide an option to allow the user to display the total number of homes sold in your database (the new ones and any previous ones), the total sales amount (new and existing), and the average sales amount per home (new and existing). Take screen snapshots to prove that this worked.Finally, delete all 3 (three) of the new customers, homes, sales, and the new salesperson. Take screen snapshots to prove that this worked