Styles QUESTION 3 -Data modeling and database design Using the data model shown below perform the requested changes (20 marks) EMAIL SENDER RECEIVER Mescape Topic Email Address Is sent by Date Size 0 FromName SUBJECT OP Subject I A) Change the above data model to add the following requirement. (10 marks) An Email message may have many attachments which we are interested to store in our database. Each of these attachments is a file with a specific name, file type, and size. B) Convert the data model you completed above into a database design by extracting a set of normalized relations. Consider using surrogate keys where necessary and show for all of your relations only the primary and foreign keys. Write the relations in the form of NAME Attribute1, Attribute2, Attribute3,..) with the primary keys in bold and underlined and foreign keys in italics. (10 marks)