Part C A division with total assets of 300,000 currently earns a ROI of 20%. It can make an additional investment of 50,000 for a 5 year life with nil residual value. The average operating income per annum from this investment would be 8,000. The division's cost of capital is 10% Required c. Compute the Return on Investment and the Residual Income, with and without the additional investment, and advise the company whether it should make the additional investment. (10 marks) d. Critique the relative advantages of ROI and RI for measuring divisional performance. (8 marks)