BrightTech Fiji is a retailer of computers and electronic and has four divisions. At the end of each year the four divisional managers are evaluated and bonuses are awarded based on ROI. Last year, the company as a whole produced an ROI of 16%. The management of the company's Western Division is considering to buy the operations of a competitor, Techbuy, which intended to cease its retail operations. The following data relate to recent performance of the Western division and Techbuy: