⇣ irrsgd ⇣irr100sgd000irr500sgd00002irr1000sgd00003irr2000sgd00006irr5000sgd00016irr10000sgd00032⇣ irrsgd ⇣irr1,00000sgd00320irr5,00000sgd016irr10,00000sgd032irr25,00000sgd080irr50,00000sgd160irr100,00000sgd320