supplies of all factors of production. quot;The firm hires the factor up to the point where the value of the factorquot;s marginal product is...

D. supplies of all factors of production. "The firm hires the factor up to the point where the value of the factor"s marginal product is equal to the factor"s price." This Statement applies to which factor of production? A. labor b. land c. capital d. All of the above are correct.