Natalie is a freelance theater artist, and on average she earns $$18,000$ per year. She has a fixed monthly expense of $$2,000.$ Natalie is offered a job as a manager in a bank with an annual salary of $$30,000.$

Which of the following statements is not true?

A$.$ The opportunity cost is higher when working as a theater artist.

B$.$ Working as a bank manager is the feasible option considering non$-$wage attributes equal zero.

C$.$ The net benefit of working as a theater artist is negative $$12,000.$

D$.$ The opportunity cost of working as a manager is that of working as a freelance theater artist.