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% The residual income (RI) for Centre II is $550,000 -$120,000 $240,000 $150,000