class Customer{
  private String n;
  private double b;

  public Customer (String name, double bal){
    n=name;
    b=bal;
  }

  public String getName(){ return n;}
  public double getBalance(){ return b;}
  public String toString(){ return n+" has \t$"+b; }
  public void applyPercentageIncrease(double d) { b += d*b/100; }
}