$1)$ Which statement about controllability is false:

A$)$ few costs are clearly under the sole influence of one manager

B$)$ holds managers responsible for uncontrollable costs

C$)$ with a long enough time span, all costs will come under somebody's control

D$)$ describes the degree of influence that managers have over a particular item

$2)$ All of the following are ways to calculate different versions of ROI except:

A$)($Operating Income$/$Revenues$)$ x $($Revenues$/$Total Assets$)$

B$)$ Return on sales x investment turnover

C$)$ Income$/$Investments

D$)$ Revenues$/$Total Assets

$3)$ A company which favors the residual income approach to financial performance evaluation

wants managers to concentrate on maximiaing:

A$)$ an absolute amount of dollars in excess of the targeted income

B$)$ a percentage return in excess of the cost of capital

C$)$ the investment turnover ratio

D$)$ return on sales