Select the lightest W section as a beam. Assume only flexure must be considered. The dead load given is in addition to the weight of the beam.The service dead load is $0\mathrm{.}7$ kips$/$ ft live load is $1\mathrm{.}4$ kips$/$ ft the beam has lateral support at the ends and midspan, and F$\_\{$y$\}=60$ ksi.DL$($including OW $)=0\mathrm{.}7$ kips$/$ft LL $=1\mathrm{.}4$ kips$/$ ft$14\text{'}14\text{'}28\text{'}$