You are the lucky student of a wacky professor who develops…

You are the lucky student of a wacky professor who develops a time machine and he asks if you will test it with him. You get in and there’s an immediate glitch. The read out indicates that  you have traveled back 80 million years ago, and are now stuck in the Mesozoic era.  Which of the following would you most likely see when you step out of your time machine?

A bank determines that it is prudent to hold $4 for every $1…

A bank determines that it is prudent to hold $4 for every $100 in deposits. The bank holds surplus reserves of $12,000 and actual reserves of $15,000. What is the bank’s desired reserve ratio and its desired reserves? The bank’s desired reserve ratio is [ratio]% and its desired reserves is $[reserves].