I need to undrstand how we got the answer, Please show step by step solution using excel.

The Rho Electronics Company has produced a new polymer adhesive substance, which will likely take a huge share of the market for the next three years until its competitors can manufacture and begin to sell something in the same class of products. Rho has a required rate of return of 12.5%. Please value the company if it has the following variable growth rates going forward:

Calculate the intrinsic per share value of the Rho stock

Year 1	$2.00
Year 2	$4.00
Year 3	$5.00
Year 4 and thereafter growth rate	8%