Which of the following types of cost are relevant to making financial decisions:
A . sunk cost
B . opportunity cost
C . material cost
D . A and C only
E . B and C only
第1题:
第2题:
第3题:
周期T=1S、频率f=1Hz的正弦波是
A.4cos314t
B.6sin(5t+17°)
C.4cos2πt
D.5cost
第4题:
第5题:
第6题:
11、周期T=1S、频率f=1Hz的正弦波是
A.4cos314t
B.6sin(5t+17°)
C.4cos2πt
D.5cost