A.DT1=DOL+DFL B.DT1=DOL-DFL C.DT1=DOL×DFL D.DT1=DOL/DFL
A.5% B.5.39% C.5.68% D.10.34%
A.經營杠桿效應 B.財務杠桿效應 C.總杠桿效應 D.風險杠桿效應