The following information is provided for an ore deposit:<br>Number of waste blocks = 10<br>Number of ore blocks = 5<br>Volume of each waste block, m<sup>3</sup> = 600<br>Total cost of waste handling per m<sup>3</sup> = Rs. 100<br>Tonnage of each ore block = 400<br>Total cost of ore handling per ton = Rs. 150<br>Sale price of ore per ton = Rs. 500<br>The net cash flow of mining the deposit in lakhs of rupees, is

Correct Answer: 1.0