Price elasticity is unit elastic at the midpoint of a linear, downward-sloping demand curve

Marginal revenue is defined as

A) the value of a firm's sales. B) the total revenue from the total amount the firm sells. C) the change in total revenue that results from a one-unit increase in the quantity sold. D) total revenue divided by the total quantity sold.

Disinflation and deflation mean a decrease in the average price level

a. True b. False Indicate whether the statement is true or false