$3.$ a$.$ A project is started with an initial investment of Rs$.6,00,000.$ The cash flows

generated over the next $4$ years are Rs$.1,00,000$ ; Rs$.2,50,000$ ; Rs$.4,56,000$ ; Rs$.$

$5,74,000.$ Calculate the NPV of the project at discounting rate of $11\%$

Also calculate the real discounting rate, when inflation is at $6\%$