The students at Midtown Middle school sold flowers as a fundraiser in September and October. In October, they charged $1.50 for each flower. The October price was a 20% increase of the September price.

Part A
What was the price of the flowers in September?

Part B
The seventh-grade class earned 40% of the selling price of each flower.

In September, they sold 900 flowers.
In October, they sold 700 flowers.

In what month did they earn more money?