"active investment management may at times generate additional returns of about .1%. however, the standard deviation of the typical well-diversified portfolio is about 20%, so it is very difficult to statistically identify any increase in performance." even if true, this statement is an example of the problem in deciding how efficient the markets are. a. magnitudeb. selection biasc. lucky eventd. allocation

Clooney corp. establishes a petty cash fund for $225 and issues a credit card to its office manager. by the end of the month, employees made one expenditure from the petty cash fund (entertainment, $20) and three expenditures with the credit card (postage, $59; delivery, $84; supplies expense, $49).record all employee expenditures, and record the entry to replenish the petty cash fund. the credit card balance will be paid later. (if no entry is required for a transaction/event, select "no journal entry required" in the first account record expenditures from credit card and the petty cash fund.