Bramble Design Works generated $613,800 in operating income on sales revenue of $3,410,000. The company had $2,520,000 in assets on January 1 and $2,980,000 in assets on December 31. (a-b) (a) Calculate Bramble's margin. (Round answer to decimal places, e.. 65%) Bramble's margin % (b) Calculate Bramble's asset turnover. (Round answer to 2 decimal places, 6.3.0.65.) Bramble's asset turnover times eTextbook and Media Attempts: 0 of 3 used Submit Answer Save for Later Bramble's asset turnover times eTextbook and Media Save for Later Attempts: (c) Calculate Bramble's return on investment. (Round answer to 2 decimal places, e.g. 5.12%.) Bramble's return on investment % De eTextbook and Media Attemp Save for later