please solve it quickly

1. Monthly details for last 5 years before February 2021 (assume s&p represents market): Sp500 Apple Boing Tesla Non risk Avg yield 1.11% 3.01% 1.03% 5.13% 0.1% std 4.38% 8.54% 12.71% 16.89% Coef with 0.63 0.6 0.48 market 1 a. Caculate: sharp rate, trainor and jensen's alpha for each stock. b. Which stock was best for diverse investor? C. Which stock was best for un- diverse investor? d. Assuming those are also the future details. Would you recommend to invest in the market? e. Assuming those are also the future details. Would you recommend to invest also in boing stock? f. Assuming single-index-model what is the joint variance and coef between tesla and boing