Solve the Problem $$p=480-x$$ Where $\mathrm{p}$ Is the Price When $\mathrm{x}$ Units Are Demanded

Multiple Choice

Solve the problem.
-The demand for a certain type of modem is given by
$$p=480-x$$
Where $\mathrm{p}$ is the price when $\mathrm{x}$ units are demanded. Determine the price that will produce the maximum revenue. (Hint: First find the revenue $R(x)$ , that would be obtained at a demand of $x$ ) .

A) $\$ 260$
B) $\$ 240$
C) $\$ 48$
D) $\$ 480$