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:In the theory of production and cost, the average…What effect will an increase in price have on the…The elasticity of demand for a firm's product is 2.…When a firm's total revenue is at the maximum,…A market structure where profit is maximized when…