Question - Calculating Earnings Based on Units Sold and Price Changes

The number of cups sold in March = 571, as seen in the graph.

Money earned from the sale of coffee in March = number of cups sold \times price per cup

Money earned in March = 571 \times \$1.98

Money earned in March = \$1130.58

The number of cups sold in May = 500, as seen in the graph.

Money earned from the sale of coffee in May = number of cups sold \times new price per cup

Money earned in May = 500 \times \$2.25

Money earned in May = \$1125.00