Accounts receivable arising from sales to customers amounted to $84,000 and $74,000 at the beginning and end of the year, respectively. Income reported on the income statement for the year was $320,000. Exclusive of the effect of other adjustments, the cash flows from operating activities to be reported on the statement of cash flows is

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