Using the following definitions of the Measurable and Named interfaces. public interface Measurable { double getMeasure(); } public interface Named { double getName(); } Assume BankAccount provides the code for the getMeasure() and getName() methods. Which of the following could correctly represent the class header for BankAccount? public class BankAccount extends Measurable implements Named public class BankAccount implements Measurable, Named public interface BankAccount implements Measurable, Named public class BankAccount extends Measurable, Named