Which of the following is true:

$$ A$.$ If the Federal Reserve sets the discount rate below the Federal Funds Rate, they are in a contractionary monetary policy.

$$ B$.$ Profit and loss calculation through accounting is possible in a barter world.

$$ C$.$ The "Board of Governor's" of the Federal Reserve system is comprised of all $12$ District Bank Presidents

$$ D$.$ "Defensive operations at the Federal Reserve" mean the Board of Governors is trying to change the situation concerning the current monetary aggregates.

$$ E$.$ Money is like and unlike all other economic goods