Answer:
Because of Chillingworth's constant probing, Dimmesdale becomes angry and rushes from the room.
The Federal Reserve would have to increase the discount rate and decrease the reserve requirement to be able to increase the money supply. As actions by the Fed can affect the economy, any monetary policy changes may make it difficult for a business to retain employees.
(A) Wireless Modems is the answer. This is the best choice! See if you think about it, you will also come to the conclusion that the answer is (a).