The time it takes for the Fed's purchase of government securities to ultimately change aggregate demand is called the _____

By law, banks are required to

A) hold 100 percent of customer deposits as reserves. B) hold a fraction of demand deposits as reserves. C) hold a fraction of their reserves at the Federal Reserve bank. D) lend out no more than the amount of their required reserves.

The firm should increase production as long as each additional unit of output adds more to total revenue than to total cost

Indicate whether the statement is true or false