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

Account Title	Debits	Credits
Sales revenue		490,000
Loss on sale of investments	60,000
Interest revenue		8,000
Cost of goods sold	255,000
General and administrative expenses	59,000
Restructuring costs	69,000
Selling expenses	34,500
Income tax expense	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).