The firm is evaluating projects S and T, each needing a $100,000 initial investment. The projected cash inflows are:

Project S:

• Year 1: $45,000
• Year 2: $35,000
• Year 3: $25,000
• Year 4: $20,000

Project T:

• Year 1: $30,000
• Year 2: $35,000
• Year 3: $40,000
• Year 4: $25,000

Requirements: a. Compute the NPV for each project using a discount rate of 13%. b. Determine the IRR for each project. c. Compute the profitability index for both projects. d. Analyze which project is more viable based on the NPV criterion.