The following is a partial year-end adjusted trial balance. Account Title Sales revenue Loss on sale of investments General and administrative expense Interest revenue Cost of goods sold Restructuring costs Income tax expense Selling expense Debits $ 48,000 225,000 53,000 Credits $ 430,000 5,000 56,500 31,500 ? Income tax expense has not yet been recorded. The income tax rate is 25%. es a. Determine the operating income (loss). b. Determine the income (loss) before income taxes. c. Determine the net income (loss). a. Operating income (loss) b. Income (loss) before income taxes c. Net income (loss)