‘A’, ‘B’, and ‘C’ as sureties for D enter into several bonds each in a different penalty namely ‘A’ in the penalty or Rs. 10,000/- 13′ in that of Rs. 20,000/- and C in that of Rs. 40,000/- conditioned for D’s duly accounting to E. D makes default to the extent of Rs. 30,000/-. How much ‘A’, ‘B’ and ‘C’ are liable to pay?    (5 marks)