Which of these assumptions is often realistic for a firm in the short run? a. the firm can vary both the size of its factory and the number of workers it employs. b. the firm can vary the size of its factory but not the number of workers it employs. c. the firm can vary the number of workers it employs but not the size of its factory. d. the firm can vary neither the size of its factory nor the number of workers it employs.

The correct option here is C) the number of workers can be varied but not size of factory.

Explanation:

In the short run it would not be possible to shift or vary the size of factory and even if they try doing that it will talk lot of time and cost , which is in no way beneficial for the firm. But what firm can do is vary the number of workers they employ, like if they want to take advantage of economies of scale , they can do that by assigning less tasks to employees and for that they can make changes in the number of employees as per the requirement.

answer; (a) calling people who have not shown interest in the product and asking them to buy it;