An office supply store sells a ream of printer paper at a fixed price of $4.50. Which of the following is a term used by economists to describe the money received from the sale of an additional ream of paper?
A) pure profit
B) gross earnings
C) marginal costs
D) marginal revenue
E) net benefit
D
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Which of the following provides support for the use of discretion in economic policy-making?
A) any policy rule that is based on a particular model will prove wrong if that model is wrong B) the existence of a political business cycle C) the conclusions of Friedman and Schwartz with respect to monetary and fiscal policy D) the Watergate scandal
Your 65-year-old father is going to retire next year. He would like to have an income of $20,000 per year for the remainder of his life
If he is expected to live for ten more years, write an algebraic expression to indicate the amount of money he needs today to pay him this sum of money if the interest rate is 10 percent.