Business decisions must be undertaken with a view of comparing the costs of the decision with its benefits

The table in the above figure shows the levels of output resulting from different levels of inputs. Which of the following conclusions can be drawn from this information?

A) Increasing returns to scale exist between 100 and 200 units of output. B) Constant returns to scale exist throughout all levels of production. C) Labor is subject to diminishing marginal productivity in the short run. D) No firm conclusions can be drawn.

(Consider This) In 1975, McDonald's introduced its Egg McMuffin breakfast sandwich, which remains popular and profitable today. This longevity illustrates the idea of:

A. opportunity cost. B. upsloping supply. C. consumer sovereignty. D. specialization.