Pretty sure you just call this either a <em>government agency</em> or a building department.
Sorry, the question did not show the options for some reason. it is definately Option D though.
Ion know prolly United States
Answer: AD shifts right aggregate output increases and prices rise
A rise in customer confidence increases consumption as well as investment thereby shifting the AD to the right if the short run AS curve is upward sloping a new macroeconomic equilibrium at a higher price level and increased output will be reached