please show how to solve with excel

Supernormal Growth B. Silverstein & Co. is growing quickly. Dividends are expected to grow at a rate of 25% for the next three years with the growth rate falling off to a constant 3.50% therafter. If an investor's required rate of return is 12.50%, and BSCo just paid a dividend of $3.25, what is the current share price? Input area: Dividend growth rate - period 1 Dividend growth rate - period 2 Required return Dividend Output area: Price at end of supernormal growth Share price