Which one of the following methods commonly used to estimate numerically the change taking place in one sector or industry bringing about changes in other sectors of the economy?A. Cluster analysisB. EconometricsC. Input-Output analysisD. Principal Component analysisChoose the most appropriate answer from the option given below:

Which one of the following methods commonly used to estimate numerical

1.	Which one of the following methods commonly used to estimate numerically the change taking place in one sector or industry bringing about changes in other sectors of the economy?A. Cluster analysisB. EconometricsC. Input-Output analysisD. Principal Component analysisChoose the most appropriate answer from the option given below:
A.	A only
B.	B only
C.	C only
D.	D only
Answer» D. D only