Solve the Problem $\$ 580$ And Each Polar Sells For $\$ 740$

Solve the problem.
-An appliance store sells two types of refrigerators. Each Cool-It refrigerator sells for $\$ 580$ and each Polar sells for $\$ 740$ . Up to 260 refrigerators can be stored in the warehouse and new refrigerators are delivered only once a month. It is known that customers will buy at least 60 Cool-Its and at least 140 Polars each month. How many of each brand should the store stock and sell each month to maximize revenues?

A) 6 0 Cool-Its and 200 Polars
B) 75 Cool-Its and 185 Polars
C) 180 Cool-Its and 170 Polars
D) 120 Cool-Its and 140 Polars