Material $(1)$ Forest marble: Cohesion $=205\mathrm{.}63$KPa, Friction angle $=40,$ Unit weight $=19\mathrm{.}9k\frac{N}{m^3}$

: Saturated Unit weight $=20\mathrm{.}4k\frac{N}{m^3}.$

Material $(2)$ Great Oolite: Cohesion $=221\mathrm{.}44$KPa, Friction angle $=40\mathrm{.}8,$ Unit weight $=20\mathrm{.}9$KN$/$m$3$

: Saturated Unit weight $=21\mathrm{.}7k\frac{N}{m^3}.$

Question: Calculate Factor of safety by Performing Slope stability analysis using Bishop Simplified method or method of Slices. Show your calculations step by Step.