Investment, as Defined by Economists, Would Not Include Which of the Following

Investment, as defined by economists, would not include which of the following? Ford

A) buys a new robotic machine (from a plant in Ontario) to assemble cars.
B) adds 1,000 new cars to inventories.
C) builds another assembly plant in Oakville, Ontario.
D) buys Canadian government bonds.
E) buys new computers for its human resources department.