If net operating income is $52,000, average operating assets are $312,000, and the minimum required rate of return is 15%, what is the residual income? Multiple Choice o 557,200 o $41,600 o $5,200 o $46,800 BR Company has a contribution margin of 18%. Sales are $381,000, net operating income is $68,580, and average operating assets are $128,000. What is the company's return on investment (ROI)? Multiple Choice Suppose a company evaluates divisional performance using both ROI and residual income. The company's minimum required rate of return for the purposes of residual income calculations is 12%. If a division has a residual income of $6,000, then its ROI is less than 12%. True or False True False