PLEASE BE EXTREMELY DETAILED WITH ALL THE STEPS INCLUDING THE CORRECT FORMULAS ETC. TO DO IT IN EXCEL. I NEED THE EXACT STEPS AND A DETAILED WALK THROUGH.

Gilmore, Inc., just paid a dividend of 2.35 per share on its stock. The dividends are expected to grow at a constant rate of 4.1 percent per year, indefinitely. If investors require a return of 10.4 percent on this stock, what is the current price? What will the price be in three years? In 15 years?