20. Which of the following statements about housing market indicators is incorrect? a. Home builder sentiment index is based on the monthly survey for perceived market conditions for the sale of new homes at present and in the next 6 months b. Housing starts measures the number of new residential construction projects that begin during a particular month. c. Housing start statistics are released on the first workday of each month by the U.S. Department of Housing and Urban Development. d. The months' supply indicates how long the current for-sale inventory would last given the current sales rate if no additional new houses were built. e. Building permits for new housing are a key indicator of demand in the housing market