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

$\{[$ Acetone $$ Ketene $+C{H}_4],[$ Ketene harrCO$+\frac{1}{2}{C}_2{H}_4]\}700C,1$ atm

Ketene $+$ Acetic Acid $$ Acetic Arhydride $80C,1$alm

$\backslash$table$[[$Component$,$Boiling point $("),$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$],[$Acetone$,133\mathrm{.}2,$Recycle$-$R$1],[$Acetic Acid,$244\mathrm{.}3,$Recycle$-$R$2],[$Acetic Anhydride,$281\mathrm{.}9,$Primary product$]]$