A residential land developer and contractor were building a number of new homes in a housing tract. During the construction phase a number of people observed the new development and showed a great interest and a desire to purchase the new homes at above market level prices. During the construction period, however, the city notified the land developer that new city ordinances required that the existing streets be widened 15 feet to handle the anticipated increase in flow of traffic. This increase meant cutting off a portion of each existing lot and as a result, interest in the homes waned. This resultant loss in value would be classified as: Group of answer choices Physical deterioration Economic obsolescence Functional obsolescence Principle of change