Please show working using Excel. Thank you!

Prices, 110 12. You have collected returns on AnaDone Corporation (AD Corp.), a large, diversified manufacturing firm, and the NYSE index for five years: AD Corp. Year NYSE 1981 10% 5% 1982 5% 15% 1983 -5% 8% 1984 20% 12% 1985 -5% -5% a. Estimate the intercept (alpha) and slope (beta) of the regression