Suppose That a Single- Price Monopolist Knows the Following Information

Suppose that a single- price monopolist knows the following information: $\begin{array}{|l|l|l|l|l|l|l|l|}\hline \text { Price } & \text { Quantity } & \text { TR } & \text { MR } & \text { Fixed Cost } & \text { TC } & \text { ATC } & \text { MC } \\\hline \$ 5.00 & 2000 & & \$ 4.00 & \$ 2000 & & \$ 5.00 & \$ 3.00 \\\hline\end{array}$ The monopolist could maximize profits in the short run by

A) lowering price and leaving output unchanged.
B) shutting down.
C) staying at the current price and output.
D) raising price and lowering output.
E) lowering price and increasing output.