The following is a partial year-end adjusted trial balance.

Account TitleDebitsCreditsSales revenue$310,000Loss on sale of investments$24,000Interest revenue4,500Cost of goods sold165,000General and administrative expense41,000Restructuring costs50,500Selling expense25,500Income tax expense?

Income tax expense has not yet been recorded. The income tax rate is 25%.

a.Determine the operating income (loss).

b.Determine the income (loss) before income taxes.

c.Determine the net income (loss).