The following selected items are taken from the adjusted trial balance of Dion Inc. at December 31, 2020. Adjusted Trial Balance Selected Accounts Debit Credit Sales revenue $ $3,000,000 Cost of goods sold 1,600,000 Selling and administrative expenses 900,000 Loss on sale of investments 50,000 Interest revenue 15,000 Assuming an income tax rate of 25%, determine the following amounts. Use a negative sign only to indicate a loss, Item Amount a. Gross profit $ 0 b. Operating income (loss) $ 0 c. Nonoperating income (loss) $ 0 d. Income tax expense $ 0 e. Net Income (loss) $ 0 0 0