An analyst does research about total, marginal and average product curve of labor. As more labor is hired, which of the following curves initially increases and then decreases
A. The average product of labor curve, but not the total and marginal product of labor curve.
B. The marginal product of labor curve, but not the total and average product of labor curve.
C. Both the marginal product of labor and the average product of labor curve, but not the total product of labor curve.
