Consider now the following $2$ bonds issued by the same borrower, with an identical structure but

with different coupons, $c$ and $c^{\text{'}}$ with $P_1=\frac{c}{}(1-(1+r{)}^{-m}{)}^{1+c^{\text{'}}}+\frac{1}{(1+2{)}^m}$

$P_2=\frac{c^{\text{'}}}{}(1-(1+r{)}^{-m})+\frac{1}{(1+r{)}^n}{P}_1>P_{2}I{1}^{st}$fic$=rxtnn-1$EEF