Please answer and show the formuals used. ANNUAL RETURN DATA FOR $2$ STOCKS AND S&P $500$

Part A$.$ Report the alphas for Apple stock, Oracle stock, and the portfolio of apple and oracle, also indicate whether

each of these investment alternatives outperformed or underperformed the market index.

alpha

outperform or underperform?

Part B$.$ Report the betas for Apple stock, Oracle stock, and the portfolio of apple and oracle, also indicate whether

each of these two stocks is an aggressive stock or a defensive stocks

beta

defensive or aggressive?

Part C$.$ Report the r$-$squared values for Apple stock, oracle stock, and the portfolio of apple and oracle from

regressing each alternative's annual returns on S&P $500$ returns

r$-$squared

Part D$.$ Calculate the weighted average alpha, weighted average beta, and weighted average $r-$squared value of

$70\%$ apple's $r-$squared value and $30\%$ Oracle's $r-$squared value. If the value is different from the portfolio $r-$squared

value reported in Part $C,$ what does that mean?

weighted average alpha

weighted average beta

weighted average r$-$squared