当实际收入水平高于均衡的收入水平时，下列说法中正确的是（）.

A.存在非计划存货投资

B.计划投资超过储蓄

C.总需求超过实际产出

D.不存在非计划存货投资

Which of the following is most likely under a company's management control

A. Operating risk.
B. Financial risk.
C. Systematic risk.