Compute return on investment for each department. Using return on investment, which department is most efficient at using assets to generate returns for the company? Assume a target income level of 12% of average invested assets. Compute residual income to reach department. Which department generated the most residual income for the company? Assume the electronics department is presented with a new investment opportunity that will yield a 15% return on investment. Should the new investment opportunity be accepted ? Explain. Compute return on investment for each department. Using return on investment, which department is most efficient at using assets to generate returns for the company? Assume a target income level of 12% of average invested assets. Compute residual income to reach department. Which department generated the most residual income for the company? Assume the electronics department is presented with a new investment opportunity that will yield a 15% return on investment. Should the new investment opportunity be accepted ? Explain