Consider the following statements about the Sikh Gurus:
(1) Banda Bahadur was appointed as the military leader of the Sikhs by Guru Tegh Bahadur.
(2) Guru Arjun Dev became the Sikh Guru after Guru Ram Das.
(3) Guru Arjun Dev gave to the Sikhs their own script Gurmukhi.
Which of the statements given above is/are correct?