A retail company is considering a new store with the following details:

• Initial investment: Rs. 700 lakhs
• Expected earnings (before depreciation and taxes) for five years: Rs. 250 lakhs, 260 lakhs, 270 lakhs, 280 lakhs, 290 lakhs
• Depreciation: 15% on a Written Down Value basis
• Scrap value at the end of five years: 40%
• Cost of raising capital: 9%
• Income tax rate: 33%

Requirements:

1. Calculate the NPV.
2. Calculate the IRR.
3. Calculate the payback period.
4. Determine the profitability index.

Calculate the accounting rate of return.