STU Ltd. is considering a project with the following data:

Year	Cash Inflows (Rs.)
1	1,30,000
2	1,50,000
3	1,70,000
4	1,20,000
5	90,000

Initial investment: Rs.5,00,000 Depreciation: 25% per annum on the initial cost Tax rate: 30%

Tasks:

1. Compute the Payback Period (PBP).
2. Calculate the Accounting Rate of Return (ARR).
3. Determine the Net Present Value (NPV) and Profitability Index (PI) at a 9% discount rate.
4. Calculate the Internal Rate of Return (IRR).