Consider the box$-$section we looked at in class. Recall this box is made from $\mathrm{.}05"$ thick $6061-16$ Aluminum plate that forms a $36"$ by $15"$ box. This box is subjected to a $15$ kip up shear force and a $500$ kip$-$in bending moment $($compression at top$).$ For this assignment consider attaching $(1)/(2)"$ by $1/8"$ zee$-$stringers on the inside surface of the top and bottom skins. The stringer spacing is $2$ inches on center. Recalculate the bending stresses and the shear flow in the box section with stringers.