These questions are based on the fllowing information provided by our company: $45,000 $8,000 Investment center sales Investment center income Investment center average invested assets $75,000 Target income on investment assets What is the investment centers return on investment (ROI)? 8% [ Select ] What is the investment center's residual income? Select ] What is the investment center's profit margin? [ Select What is the investment center's investment turnover? [Select ]