1. Answer the following questions. a. Describe under what conditions does a firm break even in the short-run? (3 marks) b. Describe the conditions under which the firm will not be producing any output? (3 marks) c. Why might a firm continue to produce even though it is not breaking even? (3 marks) d. What is the demand curve for an input? (primal problem) (3 marks) e. What is the supply curve for an output? (dual problem) (3 marks)