$(25$ points$)$ Determine the reactor volume that receives $300\frac{m^3}{?}$ day of primary sludge. After $30$ days of digestion, primary sludge is digested as below. Assuming specific gravity of sludge is $1.$

$\backslash$table$[[,$Primary,Digested$],[$Water$,\%,96,92],[$Volatile matter, $\%,60,60\%$ destroyed$]]$