Suppose that the reserve ratio is 5 percent. A bank's customer deposits into her account $100,000 in funds from a check written on an account at another bank. The maximum potential increase in the money supply resulting from this transaction is equal to

Suppose the government imposes a $1 tax on frisbees, and the price of a frisbee paid by demanders rises by $1

A) The price rise is consistent with a perfectly elastic supply for frisbees. B) The price rise is consistent with a perfectly elastic demand for frisbees. C) The price rise is consistent with a downward-sloping supply curve for frisbees. D) The price could never rise this much, so this situation cannot happen.

Opportunity cost is:

A) the costs of all sacrifices not chosen when a choice is made. B) the highest valued other choice that could have been made. C) the result of having made a bad choice. D) the result of not making choices at the margin.