Duke Company's records show the following account balances at December 31, 2021: Sales revenue Cost of goods sold $15,000,000 9,000,000 General and administrative expense 1,000,000 Selling expense 500,000 Interest expense 700,000 Income tax expense has not yet been determined. The following events also occurred during 2021. All transactions are material in amount. 1. $300,000 in restructuring costs were incurred in connection with plant closings. 2. Inventory costing $400,000 was written off as obsolete. Material losses of this type are considered to be unusual. 3. It was discovered that depreciation expense for 2020 was understated by $50,000 due to a mathematical error. 4. The company experienced a negative foreign currency translation adjustment of $200,000 and had an unrealized gain on debt securities of $180,000.