Suppose a handbill publisher can buy a new duplicating machine for $2,000 and the duplicator has a 1-year life. The machine is expected to contribute $2,200 to the year's net revenue.

a. What is the expected rate of return ________________%

b. If the real interest rate at which funds can be barrowed to purchase the machine is 8%, will the publisher choose to invest in the machine? yes or no

Will it invest in the machine if the real interest is 9%. Yes or no

If it is 11% yes or no