Q7. (a) Given the holding-period returns shown here, compute the average returns and the standard deviations for the Beecham Corporation and for the market. Beecham 8% 4% Market 5% Months 1 2 3 4 5 0% -5% 2% 1% -3% 5% -1% 7% 1% 6 (b) If Beechams beta is 1.45 and the risk-free rate is 2 percent, what would be an appropriate required return for an investor owning Beecham? (Note: Because the returns of the market and Beecham Corporation are based on monthly data, you will need to annualize the returns to make them compatible with the risk-free rate. For simplicity, you can convert from monthly to yearly returns by multiplying the average monthly returns by 12.) (c) How does Beecham's historical average return compare with the return you believe to be a fair return, given the firm's systematic risk