Which of the following statements is true? O At every output level the marginal product curve lies above the average product curve. The marginal product curve always has a positive slope. The marginal...

Extracted text: Which of the following statements is true? O At every output level the marginal product curve lies above the average product curve. The marginal product curve always has a positive slope. The marginal product = average product curves when average product is at its maximum. O The marginal and average product curves intersect at the maximum level of output.