At the maximum point of the total product curve of a firm; marginal revenue is? by Sunday | Oct 28 | Economics JAMB | 0 comments A. decreasing B. increasing C. constant D. zero Correct Answer: Option D – zero Users Also Read These:When a firm's total revenue is at the maximum,…What effect will an increase in price have on the…The diagram shows the total utility curve. At the…In the theory of production and cost, the average…At the point where marginal revenue of a monopolist…