Also Can you show whole calculation process please

Answer the following questions using the information below: The Bandage Medical Supply Company has two divisions that operate independently of one another. The financial data for the year 2010 reported the following results: North South Sales $3 000 000 $2 500 000 Operating profit 750 000 550 000 Taxable income 650 000 375 000 Investment 6 000 000 5 000 000 The company's desired rate of return is 10%. Profit is defined as operating profit. What are the respective residual incomes for the North and South Divisions? Select one