The operating expense budget of MountainTop Creations is comprised of the following budget formulas for its fixed and variable selling and administrative expense items: Selling expenses: $288,000 per year + $18 per unit Administrative expenses: $552,000 per year + 2% of sales If MountainTop's sales budget includes sales of 5,000 units each month at a price $50 per unit, the total budgeted operating expense for the year would be: Multiple Choice $1,980,000. $840,000. $1,080,000. $612,000.