Please solve the problem:

Design a rectangular cross$-$section for simply$-$supported beam shown below. All loads shown are service loads $($i$.$e$.,$ unfactored$),$ and the self$-$weight of the beam is not included in the dead load shown. Use an initial $\frac{d}{b}$ ratio of $2\mathrm{.}0$ and $=0\mathrm{.}18\frac{f_c^{\text{'}}}{f_y}$ for initial design purposes. Round proposed beam dimensions to the nearest inch. Show a sketch of the designed cross$-$section, including beam dimensions and bar selection. Also, compute the efficiency of your design and confirm that the design meets ACI requirements.