⇣ irrttd ⇣irr100ttd00002irr500ttd00008irr1000ttd00016irr2000ttd00032irr5000ttd00080irr10000ttd00161⇣ irrttd ⇣irr1,00000ttd01608irr5,00000ttd08039irr10,00000ttd161irr25,00000ttd402irr50,00000ttd804irr100,00000ttd1608