From the reactions and component lists below, draw a recycle structure of the process.

$\{\begin{array}{ccc}& \text{A}\text{c}\text{e}\text{t}\text{o}\text{n}\text{e}\text{K}\text{e}\text{t}\text{e}\text{n}\text{e}& +C{H}_4\\ [& \text{K}\text{e}\text{t}\text{e}\text{n}\text{e}\text{h}\text{a}\text{r}\text{r}\text{C}\text{O}& +\frac{1}{2}{C}_3{H}_4]7C\text{;}\end{array}$ istm

Ketene $+$ Acetic Acid $$ Acetic Anhydride $80C,1$ atm

$\backslash$table$[[$Componcat$,$Bsiling point$($F$),$Destination$],[CO,-312\mathrm{.}6,$Fuel$],[C{H}_4,-258\mathrm{.}6,$Fuel$],[C_2{H}_4,-154\mathrm{.}8,$Fuel$],[$Ketene$,-42\mathrm{.}1,$None$],[$Acetcone$,133\mathrm{.}2,$Recycle$-$R$1],[$Acetic Acid,$244\mathrm{.}3,$Recycle$-$R$2],[$Acetic Anhydride,$281\mathrm{.}9,$Primacy product$]]$