In the floor plan shown below, the floor live load, $L_0=60psf($pound per square ft $).$ By assuming cantilever slabs are at exterior edges and all structural components shown in the plan are supporting one floor, please determine the tributary areas and the design live load, $L,$ in psf for the structural components below, by applying live load reduction, if applicable. $(30$ pts $)$

B$-1,$ interior beam;

B$-2,$ edge beam $($spandrel beam$)$;

G$-1,$ interior girder;

C$-1,$ interior column;

C$-2,$ corner column.