A newspaper advertisement reads as follows: "Never again will you have to pay high prices for imported spring water. It is now bottled locally and inexpensively. You'll never taste the difference, however, if you're likely to be embarrassed to serve domestic spring water, simply serve it in a leaded crystal bottle." What is the assumption made by this advertisement?
A. It's not hard to tell domestic water from imported water based on its flavor
B. The majority of spring water is bottled at its source
C. Restrictions on importing and customs duties make the price of imported water higher
D. Spring water tastes best when it's served from a decanter
E. Some people purchase imported spring water instead of domestic, as a status symbol
