⇣ irrdop ⇣irr100dop00014irr500dop00071irr1000dop00143irr2000dop00286irr5000dop00714irr10000dop01428⇣ irrdop ⇣irr1,00000dop143irr5,00000dop714irr10,00000dop1428irr25,00000dop3570irr50,00000dop7140irr100,00000dop14280