Which below situation provides the smallest bearing capacity for soil under a circular footing (diameter 30 m) placed 1.5m deep into the ground? (a) When the water table is 1.5m depth from the ground surface (b) When the water table is at the 30 m below the base (c) When the water table is at (1.5+ 30) depth from the ground surface (d) When the water table is 30 above the ground surface