Mariota Industries has sales of $304,940 and costs of $153,070. The company paid $24,070 in interest and $12,550 in dividends. It also increased retained earnings by $63,542 during the year. If the company's depreciation was $15,335, what was its average tax rate?

30.92%

32.34%

47.80%

24.13%

11.93%