Which of the following is a component of the equation of exchange?

Fred buys a fresh-off-the-assembly-line car from Wee-Rob-U Auto Sales. He paid $27,500, even though Wee-Rob-U acquired it for $23,000. What happens to this year's GDP?

A) Nothing. B) It increases by $4,500. C) It increases by $23,000. D) It increases by $27,500. E) It decreases by $4,500, because the dealer robbed Fred.

Persons who are retired or engaged in own-home housework are considered to be in which of the following categories?

A) in the civilian labor force B) not in the labor force C) employed D) unemployed