Investment Project Evaluation at Pfizer Inc.

Requirements:

1. Evaluate Pfizer's investment projects using NPV, IRR, and payback period methods.

Investment Project	Initial Investment ($)	Annual Cash Flows ($)	Project Life (years)
Project Epsilon	18,000,000	5,500,000	4
Project Zeta	14,000,000	4,200,000	5

2. Calculate the NPV and IRR for both projects.
3. Determine the payback period for each project.
4. Recommend which project should be undertaken based on financial criteria.