When a firm’s total revenue is at the maximum, marginal revenue is? By: Sunday|Published on: Aug 5|Categories: Economics WAEC| 0 comments A. at the maximum B. negative C. zero D. positive E. constant Correct Answer: Option C – zero Users Also Read These:The firm whose sales and total revenue of the…At the maximum point of the total product curve of a…Which of the following can be added to a firm's…A market structure where profit is maximized when…Given that TR is total revenue, then TRn -TR (n-1)…SEE ALSO Which of the following is true under rapid inflation? People