YZC Ltd. is evaluating a project with the following cash inflows:

Year	Cash Inflows (Rs.)
1	1,60,000
2	1,40,000
3	1,20,000
4	1,00,000
5	80,000

Initial investment: Rs.4,00,000 Depreciation: 20% per annum on the initial investment Tax rate: 35%

Tasks:

1. Calculate the Payback Period (PBP).
2. Determine the Accounting Rate of Return (ARR).
3. Compute the Net Present Value (NPV) and Profitability Index (PI) with a discount rate of 11%.
4. Calculate the Internal Rate of Return (IRR).