Sound Design sells its computer speakers for $115 per set Its variable cost is $75 per set ot speakers. Fixed costs are $80,000 per month for volumes up to 2, 400 sets of speakers Above 2, 400 sets, monthly fixed costs are $115,000 What is the budgeted operating income (loss) at a sales level of 2, 300 sets of speakers per month? Operating income of $92,000 Operating income of $184, 500 Operating loss ol $23,000 Operating income of $12,000