Researchers have found that there is no measurable difference between the earnings of men and the earnings of women who never married and never had children

At the beginning of the year, Tom's Tubes had a capital stock of 5 tube inflating machines. During the year, Tom scrapped 2 old machines and purchased 3 new machines. Tom's net investment for the year totaled

A) 1 machine. B) 2 machines. C) 3 machines. D) 6 machines.

In the circular flow model, households earn their incomes in the

A. product markets. B. resource markets. C. capitalist markets. D. money markets.