a) Draw a sequence diagram based on the following interactions between a store clerk and a tools rental system. i) Actor sends create message to create a new rental object named aRental and the create message includes arguments for member ID and Tools ID ii) aRental sends addMemberTorental message to a member object based on memberID, named aMember, which returns member details iii) aRental Sends a rent Tools message to a tools object based on toolsID, named atool, which returns tools details iv) aRental returns all rental details to the actor (20) b) Consider a system for a video rental store that responds to these external events: customer wants to become a member, member wants to rent videos, and member returns videos. Name the use case for the system corresponding to each event. Assume processing might differ if a new member was formerly a member, if a member wants to rent videos when the member has unreturned videos, and if a returned video is overdue. Draw the use case diagram. (13)