MUST BE ANSWERED USING EXCEL!!! I will happily up vote if the answer is detailed and ONLY IF IT IS DONE USING EXCEL!!!! Please explain if possible.

7. Pharmecology just paid an annual dividend of $1.70 per share. It's a mature company, but future EPS and dividends are expected to grow with inflation, which is forecasted at 4.50% per year. The nominal cost of capital is 11.25%. a) What is Pharmecology's current stock price? b) What would be Pharmecology's current stock price using forecasted real dividends and a real discount rate