1. Inheritance. (5 points, 1 point per question) Read the review questions at http://javaconceptoftheday.com/java-inheritance-practice-coding- questions/ . Then, answer the following questions. Given the following class definitions: public class Mouse { // more code} public class USB Mouse extends Mouse { // more code} public class Wireless BI Mouse extends Mouse { // more code} 1.1. What keyword indicates USB Mouse is a type of Mouse? 1.2. Is a Wireless BT Mouse a type of Mouse or a type of USB Mouse? 1.3. Is Mouse a superclass or a subclass? 1.4. What is the superclass of USB Mouse? 1.5. Suppose the main program instantiates Wireless BT Mouse like so: Wireless BT Mouse MBT = new Wireless BT Mouse(); If all three classes have no-arg constructors, which constructor is executed first: Wireless BT Mouse() or Mouse()?