题目：
Which of the following conditions is most likely to exist for a typical production process when average product is at its maximum（）
A. Marginal product is increasing.
B. Marginal product is at a minimum.
C. Average variable cost is at a minimum.
答案：
参考答案：C
解析：
When average product is at a maximum, average variable cost is at a minimum. At the corresponding labor and output level, marginal product is decreasing and marginal cost is increasing
