For Any Firm Operating in Any Market Structure,marginal Revenue Is

For any firm operating in any market structure,marginal revenue is defined as

A) the change in total revenue resulting from the sale of an additional unit of the product.
B) the change in price resulting from the sale of an additional unit of the product.
C) price times quantity of the product sold.
D) total revenue divided by the number of units sold.
E) the total amount received by the seller from the sale of a product.