A constant return of scale indicates that a firm is producing its at a ATC, which also shows that the firm is .

The question is incomplete, the options are missing. The options are the following:

A) input, constant, lack of competitiveness

B) output, lower, doing well

C) output, constant, doing well

D) output, higher, doing well

E) input, lower, lack of competitiveness

And the correct answer is the option C: output, constant, doing well.

Explanation:

To begin with, in the microeconomics theory when it comes to the term of "constant return of scale" it refers to the situation in where a company is producing its output at a constant average total cost indicating that is doing well due to the fact that the costs are still covered by the earings that the company is having so that means that it could still keep on working for the next period. The term of return of scale focus on the changes donde in the inputs and how that affects the outputs and the earning regarding that base.