8. Identify the Has-A and Is-A relationship between the following items. Explain your reasoning. [10 points]

Car

Gasoline Engine

Horn

Ocean liner

Propeller

Sails

Sailboat

Ship

Spark Plugs

Tires

Truck Vehicle for Transportation

9. Draw a UML Class Diagram for the list of items in Question 8. Include the Has-A and Is-A relationships you identified in your answer to that question. [15 points]

10. Draw a UML Sequence Diagram for the process involved in paying a vendor for an item in cash. The process to follow is below. [15 points

a) Go to the bank b) Request your account balance c) The bank teller determines your balance from their system d) The bank teller gives you your account balance e) Withdraw the necessary amount of money f) Pay the vendor