The company was manufacturing 500 footballs per day. Each ball of radius 12.6 \(cm\). If the cost of the leather is \(₹\)20 per sq. metre, find the cost of manufacturing the footballs in 3 days. \([\)Use \(\pi = \frac{22}{7}]\)
Cost of manufacturing the footballs in 3 days \(=\) \(₹\)
[Note: Round off the cost to the nearest whole number]