Here's the part.

Study it.

Make these hardened barnstormers help you," declared Mr.Forest with a dry chuckle, as he handed her the part.
"But how does he know that I can do it ?" she questioned, half fearfully, as they left the office.
"He is going to take a chance," explained Mr.Southard.

"In his own mind he thinks you will do.

He knows we will help you.