For its three investment centres, National Inc. accumulates the following data: Centre I Centre II Centre III Sales $2,000,000 $4,000,000 $4,000,000 Operating income 1,300,000 1,840,000 2,880,000 Average Operating Assets 5,000,000 8,000,000 12,000,000 Minimum required return 15% 20% 25% If residual income was being used to rank the performance of the centres, the ranking would be as follows (with the best performer being listed first) Centre II, Centre I, Centre III Centre III, Centre II, Centre I Centre I, Centre III, Centre II Centre I, Centre II, Centre