Perform a capital budgeting analysis for Facebook, Inc. Evaluate the feasibility of investing in a new project by calculating the net present value (NPV), internal rate of return (IRR), and payback period. Given:

• Initial Investment: $50,000,000
• Annual Cash Inflows: $15,000,000
• Salvage Value: $5,000,000
• Discount Rate: 10%

Consider tax implications and risk factors in your analysis.