Simple Beam AB with an Overhang BC Is Loaded as Shown

simple beam AB with an overhang BC is loaded as shown in the figure. The bending moment at the midspan of AB is approximately:

A) 8 kN ∙ m
B) 12 kN ∙ m
C) 17 kN ∙ m
D) 21 kN ∙ m