Calculate and estimated the size of Dreamhome database for storing 1,000 staff, 500 branches,10,000 properties for rent, 1000 private owners, 20,000 clients, 100,000 viewing and 20,000registrations. Add 10% of the

estimated database for the log size. Determine the appropriate attribute/field types based on the attributes name given. Show your calculation systematically,and the total estimated size of the database.