Macroeconomics + Economy 2009 Update 18th Edition by Campbell McConnell, Sean Masaki Flynn,Stanley Brue

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KEY QUESTION Suppose a handbill publisher can buy a new duplicating machine for $500 and the duplicator has a 1-year life. The machine is expected to contribute $550 to the year's net revenue. What is the expected rate of return If the real interest rate at which funds can be borrowed to purchase the machine is 8 percent, will the publisher choose to invest in the machine Explain.