Which one of the following statements best reflects the most logical, rational and crucial message conveyed by the passage ?
- (a) We must use WPI exclusively in measuring price rise and CPI should be done away with.
- (b) The present calculation of inflation rate does not correctly measure price rise of individual item/commodity.
- (c) Inflation data under-presents services in the consumption basket.
- (d) Knowledge of inflation rate is not really of any use to anybody in the country.