(Table) Suppose a Monopolist Faces the Demand Schedule Shown in the Table

Multiple Choice

(Table) Suppose a monopolist faces the demand schedule shown in the table. If the firm is currently selling 4 units per day and wants to sell 5 units per day, what is the effect on total revenue for this sale of one additional unit?
$\begin{array}{|c|c|}\hline \begin{array}{c}\text { Quantity } \\\text { Demanded }\end{array} & \text { Price } \\\hline 1 & \$ 10 \\\hline 2 & \$ 8 \\\hline 3 & \$ 7 \\\hline 4 & \$ 5 \\\hline 5 & \$ 3 \\\hline 6 & \$ 2 \\\hline\end{array}$

A) Total revenue falls by $5.
B) Total revenue rises by $20.
C) There is no effect on total revenue.
D) Total revenue falls by $15.