Refer to the table above. If the price of a chair increases to $20 and the rental price of machines is $200 per day, up to how many machines should the firm rent to maximize profits?

In most of the 1970s, the Fed's policy created expectations of high inflation

a. True b. False Indicate whether the statement is true or false

Which of the following is a store of value?

a. currency b. U.S. government bonds c. fine art d. All of the above are correct.