Justin Bieber produces and sells special microphones. For the fourth quarter of 2020, he expects to produce and sell 42,000 microphones. He expects total revenues of $1,023,000 which are all variable, and total expenses of $713,000, $100,000 of which is fixed with the rest variable. If Justin Bieber ends up actually producing and selling 39,000 microphones during the fourth quarter, what is the flexible budget NOI