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

		I		II		III
Sales		$2,440,000		$4,880,000		$4,880,000
Controllable margin		1,647,000		2,342,400		4,233,600
Average operating assets		6,100,000		8,770,000		12,200,000

The company expects the following changes for investment centers I, II, and III in the next year: investment center I to increase sales 15%, investment center II to decrease controllable fixed costs $464,000, and investment center III to decrease average operating assets $440,000. Compute the expected return on investment (ROI) for each center. Assume investment center I has a contribution margin percentage of 70%. (Round ROI to 1 decimal place, e.g. 1.5%.)

		I		II		III
The expected return on investment		enter percentages %		enter percentages %		enter percentages %