\[ \begin{array}{|l|r|r|} \hline \textbf{Particulars} & \textbf{\% of Revenue (2022--23)} & \textbf{\% of Revenue (2021--22)} \\ \hline \text{Revenue from operations} & 100.00\% & 100.00\% \\ \text{Purchase of stock in trade} & 10.00\% & 10.00\% \\ \text{Other expenses} & 1.00\% & 1.00\% \\ \text{Profit before tax} & 89.00\% & 89.00\% \\ \text{Tax (50\%)} & 44.50\% & 44.50\% \\ \text{Profit after tax} & 44.50\% & 44.50\% \\ \hline \end{array} \]
A cylindrical tank of radius 10 cm is being filled with sugar at the rate of 100π cm3/s. The rate at which the height of the sugar inside the tank is increasing is: