b$)$ Using the relevant load combinations $($and factors$)$ in the NBC$-2020,$ draw the envelope $($Max$.-$ Max.$)$ of the factored bending moment and factored shear force diagrams along the beam length

$P_{DL}=6kN$

$P_{LL}=14kN$

$W_{DL}=14k\frac{N}{m}$

$W_{LL}=20k\frac{N}{m}$

$7\mathrm{.}00m$

$[$

$]$

$3\mathrm{.}00\frac{m}{7\mathrm{.}00}m$

Note: All loads indicated in Figure $1$ are unfactored service loads.