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 $ ? $ 399,600 $ 1,480,000 10% ? ?% B $ 11,200,000 $ ? $ ? ?% 1.4 14% a 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 A B Profit Margin = Profit margin 10.00 % % Investment Turnover: Numerator: Denominator: Investment Turnover = Investment turnover Investment Center A B 1.40 Return on investment: Numerator: Denominator: Return on investment Investment Center = Return on investment A % B 14.00%