Determine ultimate load $P_u$ for the connection shown in Fig. $2.$ If $\frac{7}{8}-$in $A325$ bolts $($threads excluded$)$ are used in a slip$-$critical connection with a factor for fillers, $h_f=1\mathrm{.}0.$ Assume $A36$ steel and Class B faying surface and standard$-$size holes.

Fig. $2.$ Connection $2$