Rex Company's Sales Last Year Totaled $150,000 and Its Return

Rex Company's sales last year totaled $150,000 and its return on investment (ROI) was 12%. If the company's turnover was 3, then its net operating income for the year must have been:

A) $6,000.
B) $2,000.
C) $18,000.
D) it is impossible to determine from the data given.