$S_U\mathrm{,}{A}_U$

$S_U\mathrm{,}{A}_T$

$S_T\mathrm{,}{A}_U$

$S_T\mathrm{,}{A}_T$

$P_U$

$u_p\left(S+B\right)+S{l}_p\left(U\mathrm{,}U\right)$

$u_p\left(S\right)+u_p\left(I_{ICT}\right)+S{l}_p\left(U\mathrm{,}T\right)$

$u_p\left(S+B\right)+Sl\left(T\mathrm{,}U\right)$

$u_p\left(S\right)+Sl\left(T\mathrm{,}T\right)$

$P_T$

$u_p\left(S\right)+sl\left(U\mathrm{,}U\right)$

$u_p\left(S\right)+sl\left(U\mathrm{,}T\right)$

$u_p\left(S\right)+sl\left(T\mathrm{,}U\right)$

$u_p\left(S\right)+sl\left(T\mathrm{,}T\right)$