/**
 * Write a description of class Bonus here.
 *
 * @author (your name)
 * @version (a version number or a date)
 */
public class Bonus
{
    public String acronym(String phrase) {
        return null;
    }
    
    public String encrypt(String word) {
        return null;
    }
   
    
    public int factorial(int number){
        return -1;
    }
}