If, Over the Years, the Standard Night in a Hospital

If, over the years, the standard night in a hospital has risen in price from $200 a night to $1000 a night but now also includes amenities, then economists insist that the price

A) has risen $800 over that period.
B) has definitely risen but by less than $800 over that period.
C) has definitely risen and by more than $800 over that period.
D) may have risen or fallen depending on the value of the amenities.