Refer to the Information Provided in Table 13 -Refer to Table 13

Refer to the information provided in Table 13.1 below to answer the question(s) that follow.
Table 13.1
$$\begin{array} { | c | c | } \hline \text { Price } ( \$ ) & \text { Quantity } \\\hline 4.00 & 2,000 \\\hline 3.50 & 2,400 \\\hline 3.00 & 2,800 \\\hline 2.50 & 3,200 \\\hline 2.00 & 3,600 \\\hline 1.50 & 4,000 \\\hline 1.00 & 4,400 \\\hline\end{array}$$
-Refer to Table 13.1. If a monopoly faces the demand schedule given in the table, what is its marginal revenue from the 4,000th unit it sells?

A) -$3
B) $1.50
C) $3
D) $1,200