Please show how you solve with fomulas, I can't follow with Excel.

Instructions: Show all of your work for maximum credit using the formulas. There are 25 points possible. 1. Given the following historical returns for Tech One stock and the S&P500 (market index), Tech One (1) Yr 1 Yr 2: Yr 3 Yr 4 Tavg 24% 15% -11% 23% S&P500 (0) in bem 18% 9% -6% 11% 8% 10.10% a) (8 points) calculate the Average return and standard deviation for Tech One. b) (13 points) Calculate the covariance and correlation coefficient between Tech One and the market's returns. c) (4 points) Calculate Tech One's beta