Using the moment$-$distribution method, determine the member end moments for the frame shown if there is an additional concentrated force directed to the left with a magnitude of $20$ kips applied at the midspan of segment BE $($call it point $D).E=$ constant, $I_{\text{g}\text{i}\text{r}\text{d}\text{e}\text{r}}=2$I, and $I_{\text{c}\text{o}\text{l}\text{u}\text{m}\text{n}}=l.$ You are required to show your solution for steps $1$ and $2,$ but you can use excel for steps $3$ and $4.$