For Smith Company, the following information is available: Sales $2,686,000 Cost of goods sold 2,200,000 Operating Expense 432,000 Interest revenue 18,000 Interest expense 24,000 Income tax expense 12,000 3. In Smith's single-step income statement, "total expenses" should be reported at $456,000. $468,000 $2,656,000 $2,668,000 4. In Smith's multiple-step income statement, "operating income" should be reported at $72,000. $54,000 $36,000. $48,000