ABC company's budgeted sales for june july and august are 12,200 16,,200 and 14,200 units respectively the following cost behavior patterns are budgeted abc company's operating expenses each month fixed costs salaries 2100 rent 5100 depreciation 2500 advertising 3300 mixed cost utilities 3100+0.60 per units variable costs per unit sold sales commission 2.10 marketing promotions 1.10 supplies 0.80 bad debt expense 0.30 prepare abc company's operating expense budget for june july and august