Value of this firm stock to an investor

Question

Problem:

The earnings and dividends of a firm are expected to grow at an annual rate of 15 percent over the next 4 years and then slow to a constant growth rate of 8 percent per year thereafter.  The firm currently pays a dividend of $0.50 per share (D₀ = $0.50).

Required:

Question: What is the value of this firm's stock to an investor who requires a 14 percent rate of return?

Note: Explain all steps comprehensively.