For the following investment options, calculate the required metrics:

• Project Red: Initial investment ₹18,000, cash inflows of ₹6,000, ₹7,000, ₹8,000, ₹9,000.
• Project Blue: Initial investment ₹20,000, cash inflows of ₹8,000, ₹8,000, ₹8,000, ₹8,000.

Requirements:

1. Calculate the Payback Period for each project.
2. Find the Discounted Payback Period at a 15% discount rate.
3. Compute the NPV at 15% for each project.
4. Evaluate the IRR for each project.
5. Decide which project to undertake based on NPV and IRR.