Investment Center Sales Income Average assets Profit margin Investment turnover Return on investment $ 7 $ 471,200 $ 1,520,000 101 2 20 D $ 11,600,000 $ 2 $ ? 75 1.3 135 Use the information in the table above to compute each department's contribution to overhead (both in dollars and as a percent). (Round your final answers to 2 decimal places.) Profit Margin: Numerator: Denominator: Investment Center Income Sales $ 471,200/ B $ 11,600,000 Profit Margin Profit margin 10.00 % % 1 Denominator: Investment Turnover Investment Turnover: Numerator Investment Center Sales Investment turnover Average assets $ A 1,520,000 1.30 B $ 11,600,000/ Return on investment: Numerator: Denominator: Return on investment Investment Center incomo $ Average assets $ 471,200/ Rotum on investment 1,520,000 - 31.001% 13.00 % B