C153 Equivalent Exchange

After Mrs. Barnes was done, Samuel stood up and prepared to leave. I looked at the phone he had left behind and couldn't help but ask, "Mr. Simmons, the cost of the phone..."

"It's here!" He raised the pastry in his hand and said, "Exchange of equal value!"

Then, he left.

Mrs. Barnes didn't know him, but when she saw him leave, she stood beside me and asked, "Madam