I Can Because I'm Kind by Asha McMillon-Kutekila

Arnold chooses to be kind and helps his mom at the grocery store by pointing out items and suggesting grapes. He also assists a grandma by asking his mom to help her. At checkout, Arnold greets the cashier and listens to her. Despite forgetting to ask for a treat, Arnold receives a toy truck and a lollipop as rewards for his kindness. He learns that kindness starts in the mind but comes from the heart.

How did the cashier respond to the narrator's kindness?

What did the narrator learn about kindness by the end of the story?