A company plans to invest ₹250 lakhs in a new technology expected to generate the following net income over the next six years:

Year	Net Income (₹ in lakhs)
1	80
2	90
3	100
4	110
5	120
6	130

Depreciation is calculated at 30% per year on a straight-line basis. The cost of capital is 16%. The salvage value of the investment after six years is ₹30 lakhs.

Required:

1. Compute the NPV of the investment.
2. Determine the IRR of the investment.
3. Calculate the Accounting Rate of Return (ARR).
4. Analyze the project's Discounted Payback Period.