A reinforced concrete $(RC)$ frame structures in a residential building subjected to the service loads shown in the figure. Wind load on the vertical column is acting in both directions.

a$)$ Find the maximum total service moment at the fixed support A$.$

b$)$ Find the maximum total factored moment at the fixed support A$.$

$\backslash$table$[[$Load Combinations for ULS$],[$Principal Loads,$\backslash$table$[[$Companion$],[$Loads$]]],[1\mathrm{.}4D,--],[$ or $0\mathrm{.}9D,0\mathrm{.}4I_{w}W$