When you are calculating how long it will take your initial bank deposit to double, the rule of 72 prescribes that you divide the annual interest rate paid on the deposit by 72

When the real interest rate increases

A) the supply of loanable funds curve shifts rightward. B) the supply of loanable funds curve shifts leftward. C) there is a movement upward along the supply of loanable funds curve. D) there is a movement downward along the supply of loanable funds curve.

Of the following, the best example of firm that might operate in a contestable market is a

A) cable TV company. B) wheat farmer. C) ship owner operating on a major waterway. D) private college operating in a state with many public colleges.