← Back to moduleF9-02·12 questionsQuiz: ROI, ROMI, and the Measurement Trap← Previous lecture: ROI, ROMI, and the Measurement TrapQuestion 1 of 12foundationalF9-Q013What is the basic arithmetic formula for ROI as stated in the lecture?aReturn divided by costb(Return minus cost) divided by costcRevenue minus marketing spenddGross profit divided by media weightSubmit answer