G.M. between __________ is called to be Fisher’s Index Number?

1.	G.M. between __________ is called to be Fisher’s Index Number?
A.	Paasche’s Index Number
B.	Marshall and Laspeyr’es
C.	Laspeyre’s and Paasche’s
D.	Fisher and Paasche’s
Answer» D. Fisher and Paasche’s

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