Average operating assets Total liabilities Sales Contribution margin Net operating income $3,096,000 $ 356,040 $1,548,000 $ 835,920 $ 417,960 Return on investment (ROI) is: Multiple Choice 27.0% 27.0% 54.0% 13.5% Baridi, Sara M. Wait time Process time Inspection time Move time Queue time Hours 19.3 2.1 1.1 3.0 10.1 The delivery cycle time was: Multiple Choice 35,6 hours 324 hours 30 hours 3 hours