Use the CAPM relationship $E(r_i)=r_f{}_i[E(r_M)-r_f]$ to fill in the entries that are missing in the table below.

$\backslash$table$[[,$Security A$,$Security B$,$Security C$,$Security D$],[$risk$-$free rate,$3\mathrm{.}0\%,4\mathrm{.}0\%,7\mathrm{.}0\%,],[E(r_M),12\mathrm{.}0\%,15\mathrm{.}0\%,,18\mathrm{.}0\%$