⇣ irrttd ⇣irr100ttd00002irr500ttd00008irr1000ttd00016irr2000ttd00032irr5000ttd00081irr10000ttd00161⇣ irrttd ⇣irr1,00000ttd01612irr5,00000ttd08061irr10,00000ttd161irr25,00000ttd403irr50,00000ttd806irr100,00000ttd1612