Aaron Locked Himself Out of His House and Had to Pay

Aaron locked himself out of his house and had to pay $40 to Brianna, who works for Lucky Locksmith, to open his door. Based on this transaction in the economy and using concepts from the circular flow model, which of the following is true?

A) Aaron supplied goods and services.
B) Brianna purchased goods and services.
C) Aaron acted as a firm in this transaction.
D) Brianna earned income from supplying her labor services.
E) Aaron earned income from supplying his labor services.