1 1 Mackenzie's firm faces the following production function: Q 3 L 2 K2 , where Q is the amount of products produced by the firm, L is the number of hours of labour employed, and K is the amount of capital utilized by the firm. How many products are produced if the firm uses 36 hours of labour and 36 units of capital? Number How many products are produced if the firm uses 121 hours of labour and 121 units of capital? Number The firm displays O All of the above O Increasing O None of the above O Constant O Decreasing returns to scale.