Problem $05\mathrm{.}009-$ Determining the shear and moment diagrams for a simply supported beam with a uniform distributed load and concentrated load

Consider the beam and loading shown where $\backslash ($ P$=80\backslash$mathrm$\{$kN$\}\backslash ).$

Problem $05\mathrm{.}009.$b $-$ Determining the moment diagram and the maximum bending moment

From the figures given below, identify the correct bending$-$moment diagram and determine the maximum absolute value of the bending moment.

Figure $1$

The correct bending$-$moment diagram is