Assuming Labor Is the Only Variable Factor of Production, Production

Multiple Choice

Assuming labor is the only variable factor of production, production of a good will occur

A) as long as the marginal revenue product of labor is positive.
B) if society values a good more than it costs firms to hire the workers to produce the good.
C) as long as the product's price is greater than the marginal revenue product of labor.
D) if the marginal cost of a unit of output equals the marginal revenue product of labor.