hat tone does this passage convey?

Emma raced home to call Yolanda. She wanted to let her know that she had made the regional finals in track. Emma picked up the phone and started dialing. When she placed the phone to her ear, she heard Yolanda laughing. Yolanda said, “I was just calling you to see if you made it!”

angry

satirical

humorous

optimistic

The tone of this passage is humorous.