Forces are applied at points $\backslash ($ A $\backslash )$ and $\backslash ($ B $\backslash )$ of the solid cast$-$iron bracket shown. The bracket has a diameter of $0\mathrm{.}8$ in$.$ Take $\backslash (\backslash$mathbf$\{$P$\}=\backslash )2200$ lb$.$

Find principal stresses and maximum shearing stress in ksi at points H and K