$\begin{array}{1 1}(a)\;P-CH_3OC_6H_4NH_2 > M-CH_3OC_6H_4NH_2 > O-CH_3OC_6H_4NH_2\\(b)\;P-CH_3OC_6H_4NH_2 > O-CH_3OC_6H_4NH_2 > M-CH_3OC_6H_4NH_2\\ (c)\;O-CH_3OC_6H_4NH_2 > P-CH_3OC_6H_4NH_2 > M-CH_3OC_6H_4NH_2\\(d)\;\text{None of these}\end{array}$