Mini-Exercise 14-3 Operating expense budget LO 6 ABC Companys budgeted sales for June, July, and August are 15,800, 19,800, and 17,500 units. The following cost behavior patterns are budgeted for ABC Companys operating expenses each month: Fixed costs: salaries, $3,900; rent, $6,900; depreciation, $4,300; advertising, $5,100 Mixed costs: utilities, $4,900 + $0.60 per unit Variable costs per unit sold: sales commissions, $3.90; marketing promotions, $2.90; supplies, $0.80; bad debt expense, $0.50 Required: Prepare ABC Companys operating expense budget for June, July, and August.