Suppose the banks in the Federal Reserve System have $400 million in transactions accounts and the reserve requirement is 0.10. Ceteris paribus, if the reserve requirement is decreased to 0.05, then excess reserves will increase by:

Refer to the above table. You have a choice among four alternatives. Choice A lets you invest $250,000 at 4 percent; B lets you invest $125,000 at 6 percent; C lets you invest $62,500 at 8 percent, and D lets you invest $31,250 at 10 percent

Which choice will get you to $1 million faster? A) A B) B C) C D) D

If you pay $35 for a sticker that entitles you to park on campus for 35 weeks of the academic year, the marginal dollar cost to you of parking your car on campus on any given weekday will be

A) $35. B) $1. C) $.20. D) zero. E) negative.