The Figure Below Shows the Demand Schedule and Demand Curve

The figure below shows the demand schedule and demand curve for a product produced by a single- price monopolist. $\begin{array}{ll}&\text { Quantity }\\\text { Price (\$) }&\text { Demanded }\\8 & 5 \\7 & 6 \\6 & 7 \\5 & 8 \\4 & 9 \\3 & 10 \\2 & 11\end{array}$
FIGURE 10- 1
-Refer to Figure 10- 1. Suppose this single- price monopolist is initially selling 5 units at $8 each and then reduces the price of the product to $6. By making this change, the firm is giving up revenue of
And gaining revenue of _. Its marginal revenue is therefore . (All figures are dollars.)

A) 10; 12; 2
B) 8; 6; 2
C) 38; 40; 2
D) 5; 7; - 2
E) 14; 14; 0