need help

During the current veac, Sotcowskd Maniufacturing eamed income of $312,000 from total males of $5,200,000 and average capital atsets of 512,800,000. What is the sales margin? If required, round your answer to one decimal glace. x= Inentara T Ghock My'Wtone The sales margin is determined by using the earned income and total sales amounts. How would vou determine the perceotage of incame to total sales