During the accounting period, the company has earned net sales revenue of 50.000 TL and interest revenue of 2.000 TL, and paid 30.000 TL for goods sold, 7.000 TL for employee salary, and 20.000 TL interest expense. Gross Profit/Loss is _________; Operating Income/Loss is _________; Net Income/Loss is ________.

a.

50.000 TL; 50.000 TL; 13.000 TL

b.

(5.000 TL); (7.000 TL); 15.000 TL

c.

20.000 TL; 13.000 TL; (5.000 TL)

d.

22.000 TL; 15.000 TL; 20.000 TL