The following is a partial year-end adjusted trial balance. Account Title Debits Credits Sales revenue 410,000 Loss on sale of investments 44,000 Interest revenue 4,000 Cost of goods sold General and administrative expenses 215,000 51,000 Restructuring costs Selling expenses Income tax expense 61,000 30,500 0 Income tax expense has not yet been recorded. The income tax rate is 40%. a. Determine the operating income (loss) b. Determine the income (loss) before income taxes. c. Determine the net income (loss) Operating income (loss) b. Income (loss) before income taxes a. Net income (loss) C