The IPhone 7 Was Launched Without a Headphone Jack

Multiple Choice

The iPhone 7 was launched without a headphone jack. This "innovation" is will mean

A) the CPI will understate inflation as cheap headphones must be replaced with more expansive wireless ones.
B) the CPI will overstate inflation because lack of a headphone jack is an example of a quality improvement.
C) the CPI will understate inflation due to the new product bias.
D) the CPI will overstate inflation due to the outlet bias as people buy new phones at iStores.
E) the CPI will understate inflation due to the outlet bias.