You have the following data for the Fosberg Winery. What is Fosberg's return on assets (ROA)=?

Return on equity = 15%; Earnings before taxes = $30,000; Total asset turnover= 0.80; Profit margin = 4.5%; Tax rate = 35%.

A)5.7%

B)6.4%

C)3.9%

D)9.3%

E)3.6%