The Hydride Division of Murdoch Corporation is an investment center. It has $1,000,000 of operating assets. During 2015, the Hydride Division earned operating income of $400,000 on $6,000,000 of sales. Murdochs companywide return on investment or desired rate of return is approximately 10%

What is the ROI?______________________

What is the margin? ____________________

What is the turnover? _____________________

What is the residual income? _______________