Q$\mathrm{.}4$ Firm purchased plant Rs$.150,000$; foundation cost paid $10,000$ and installation Rs$.20,000.$ Project is forecast for five years, details are as follows: Sales $15000$ units $[$growth of sales by $20\%$ for first two years and then $10\%$ for rest of the project life$].$ Working capital required at the start of project $10,000.$ Sales price $25$ per unit Variable cost of sales Rs$.8$ per unit Fixed expenses Rs$.10,000($excluding depreciation$)$Firm uses diminishing Balance Method $[$rate$20\%]$ and tax rate $40\%.$ Assume that plant sold at the end of the project equal to its book value. Cost of capital $15\%.$CalculateNPV and IR

Use all $4$ methods of depreciation