Use the level pool routing method to route the hydrograph given below $($Table $1)$ through the reservoir whose storage$-$outflow characteristics are given in Table $2.$ Assume that the reservoir initially contains $70{10}^6{m}^3$ of storage.

Table $1$

$\backslash$table$[[$Time $($hr$),$Inflow $(\frac{m^3}{s})$