A.5.0% B.7.41% C.10.2% D.13.4%
A.7.33%、18.13% B.13.2%、7.8% C.8.8%、7.8% D.13.2%、16.7%
A.Kp=i(1—T)/(1—f) B.Kp=i(1—T) C.Kp=i/(1—f)+g D.Kp=i/(1—f)