Highest Total Sales Product

Below is a bar graph illustrating the monthly sales data of four products (A, B, C, and D) over the course of the first quarter (January, February, March).

In January, Product A sold 150 units, Product B sold 200 units, Product C sold 250 units, and Product D sold 300 units. In February, Product A sold 180 units, Product B sold 220 units, Product C sold 210 units, and Product D sold 280 units. In March, Product A sold 200 units, Product B sold 240 units, Product C sold 260 units, and Product D sold 300 units.

Based on the data represented in the bar graph, which of the following products had the highest total sales over the three months?