Can someone show me the work to get answers 8 c,d and 9 c,d?

Use the following information to answer questions 8 through 12. Stock Ford GM January 5.3% 8.9% February -10.1% | 5.4%. March -14.2% 7.5% May -21% 112.9% June pn 6.7% 9.7% -20.6% 7.3% 8. Looking at Ford's stock What is its arithmetic mean monthly return? 3.95% what is its geometric mean monthly return? 3.63% What is its annualized return? Arithmetic APR = 47.4%, Geometric APR- 43.61% What is the variance of its returns? 0.00763 What is the standard deviation ifts returns? 8.74% a. b, c. d. e. 9. Looking at GM's stock what is ts arithmetic mean monthly return? 3.57% what is its geometric mean monthly return? 2.90% What is its annualized return? Arithmetic APR-42.8%, Geometric APR- 34.75% What is the variance of its returns? 0.014647 what is the standard deviation if its returns? 12.10% a. b, c. d. e