Does Measuring Economic Performance Involve: (I)estimates; (Ii)adjustments;and/or (Iii)judgements

Multiple Choice

Does measuring economic performance involve: (i) estimates; (ii) adjustments;and/or (iii) judgements?

A) (i) and (ii) only
B) (i) and (iii) only
C) (ii) and (iii) only
D) (i) , (ii) and (iii)