1. Which of the following responsibility centres can be evaluated using residual income? Select one: a. Cost centres b. Investment centres c. None of these d. Profit centres e. Revenue centres 2. The Northern Division of Garvey Corporation had the following results for the year. Sales $400,000 Taxes $60,000 Operating income after taxes. $160,000 Northern's average operating assets are $1,200,000 and their minimum required rate of return is 12 percent. Return on investment (ROI) for the Northern Division (rounded to one decimal place) is: Select one: a. 12.096 b. 33.396 c. none of these d. 13.396 e. 18.396