If p is the net upward pressure on a square footing of side b for a square column of side a, the maximum bending moment is given by
A) $$B.M.=\frac{pb(c-a)}{4}$$
B) $$B.M.=\frac{pb(b-a)^{2}}{4}$$
C) $$B.M.=\frac{pb(b-a)^{2}}{8}$$
D) $$B.M.=\frac{pb(b+a)}{8}$$

A

A Only

B

B Only

C

C Only

D

D Only