Question: Lines Company has an investment in assets of $450,000, income that is 10% of sales, and an ROI of 18%. From this information the amount of operating income would be Lines Company has an investment in assets of $450,000, income that is 10% of sales, and an ROI of 18%. From this information the amount of operating income would be $45,000 $81,000 $2,500,000 Cannot be determined from the facts provided