Which of the Following Is True

Which of the following is true?

A) The value of marginal product equals the price of the good produced divided by the marginal product.
B) The value to a firm of hiring another worker is the worker's value of marginal product.
C) A firm will hire more workers if the wage rate is greater than the value of marginal product.
D) The value of marginal product is the cost of hiring a worker.
E) The value of marginal product increases as more workers are hired.