please dont solve in excel solve with formulas

a. Assume that it is now January 1, 2006. Wayne-Martin Electric Inc. (WME) has just developed a solar panel capable of generating 200 percent more electricity than any solar panel currently on the market. As a result, WME is expected to experience a 15 percent annual growth rate for the next 5 years. By the end of 5 years, other firms will have developed comparable technology, and WME's growth rate will slow to 5 percent per year indefinitely. Stockholders require a return of 12 percent on WME's stock. The most recent annual dividend (DO), which was paid yesterday, was $1.75 per share. Calculate the value of the stock today. Calculate the expected dividend yield and capital gains yield