A portfolio management organization analyzes 76 stocks and constructs a mean-variance efficient portfolio using only these 76 securities. a. How many estimates of expected returns, variances, and covariances are needed to optimize this portfolio

Partnerships are the most common type of business firms in the world. t/f

The following are the current month's balances for abc financial services, inc. before preparing the trial balance. accounts payable $ 10,000 revenue 6,000 cash 3,000 expenses 17,500 furniture 10,000 accounts receivable 14,000 common stock ? notes payable 6,500 what amount should be shown for common stock on the trial balance? a. $48.000b. $12.500c. $27.000d. $28.000

Consider a treasury bill with a rate of return of 5% and the following risky securities: security a: e(r) = .15; variance = .0400 security b: e(r) = .10; variance = .0225 security c: e(r) = .12; variance = .1000 security d: e(r) = .13; variance = .0625 the investor must develop a complete portfolio by combining the risk-free asset with one of the securities mentioned above. the security the investor should choose as part of her complete portfolio to achieve the best cal would be a. security a b. security b c. security c d. security d