Which method call can be inserted at both (1) and (2), so that the following code will still compile?

Select the one correct answer.

(a) printSlogan();

(b) co.printSlogan();

(c) sl.printSlogan();

(d) Firm.printSlogan();

(e) INewSlogan.printSlogan();

// File : Firm.java interface INewSlogan { } // String SLOGAN = "Trouble shared is trouble halved!"; static void printslogan () { System.out.println (SLOGAN) ; } public class Firm implements INewSlogan { public static void main (String [] args) { Firm co new Firm (); INewSlogan sl = co; // (1) INSERT THE STATEMENT EXPRESSION HERE. } void testslogan () { Firm co = new Firm(); INewSlogan s1 = co; // (2) INSERT THE STATEMENT EXPRESSION HERE.