select the lightest w$6$ section that will resis a service tensile load, P$\_$D$=50$k and P$\_$L $=70$k$.$ The member is to be $20$ft long and is assumed to have two lines of holes in each flange line of holes in the web. Assume there are four bolts in each line $3$in on center. All holes are for $7/8$in bolts. Use A$992-$Grade $50$ steel. Select sizes using LRFD expressions. Check with both LRFD and ASD. Neglect Block shear. F$\_$y$=$ ksi and F$\_$u $=65$ksi