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?
◦ Brianna earned income from supplying her labor services.
◦ Aaron earned income from supplying his labor services.
◦ Brianna purchased goods and services.
◦ Aaron acted as a firm in this transaction.
◦ Aaron supplied goods and services.