For its three investment centers, Martinez Company accumulates the following data:

		I		II		III
Sales		$2,000,000		$3,750,000		$3,730,000
Controllable margin		1,400,000		1,708,250		3,208,810
Average operating assets		5,000,000		7,630,000		9,860,000

The centers expect the following changes in the next year: (I) increase sales 10%; (II) decrease costs $390,000; (III) decrease average operating assets $450,000. Compute the expected return on investment (ROI) for each center. Assume center I has a controllable margin percentage of 70%.