Table 15-21 Tommy's Tie Company, a Monopolist, Has the Following Cost and Cost

Multiple Choice

Table 15-21
Tommy's Tie Company, a monopolist, has the following cost and revenue information. Assume that Tommy's is able to engage in perfect price discrimination.
-Refer to Table 15-21. If the monopolist can engage in perfect price discrimination, what is the total revenue when 3 ties are sold?

A) $140
B) $420
C) $450
D) $620