RST Ltd. is considering a project with the following details:

Year	Cash Flow (Rs.)
0	-6,00,000
1	1,20,000
2	1,50,000
3	1,80,000
4	2,10,000
5	2,40,000

• Depreciation: 25% on original cost
• Tax rate: 20%

Required:

1. Calculate Payback Period (PBP) and ARR.
2. Determine NPV and NPV Index at a 12% cost of capital.
3. Compute the IRR.
4. Evaluate the profitability index.