17) A client requests a land valuation assuming a zoning change from agricultural to low-density residential. The subject tract of land is adjacent to city services and lies in the path of growth, under what conditions would the appraiser use a "hypothetical condition" rather than an "extraordinary assumption"? A) The pace of land development has slowed because of a poor economy B) The zoning change process is expensive although most petitions in the area have been approved C) The underlying land use plan calls for eventual residential development D) There have been unsuccessful zoning change applications on this property