Which Statement Is True

Multiple Choice

Which statement is true?

A) If the MRP of the last worker hired is higher than the wage rate,the firm has hired too few workers.
B) The most important influence on a firm's demand for a factor of production is the demand for the final product.
C) A firm will keep hiring more and more of a resource up to the point at which its MRP is equal to its price.
D) All of the statements are true.