Fill in the blanks in the schedule below for two separate investment centers A and B. Investment Center Sales Income Average assets Profit margin Investment turnover Return on investment A B $ ? $ 11,700,000 $ ? $ 1,530,000 $ ? ?% $ 489,600 8% ? ?% 1.5 12% 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: Investment Center A B Investment Turnover: Investment Center A B Return on investment: Denominator: Profit Margin =Profit margin 8.00 % % Numerator: Denominator: Investment Turnover Investment turnover 1.50 Return on Numerator: Denominator: investment Investment Center Return on investment A % B 12.00 %