Return on Investment Consider the following information for McKinley and Son:

	12/31/2020	12/31/2021
Total assets	$55,000,000	$62,000,000
Noninterest-bearing current liabilities	1,100,000	1,320,000
Net income	3,300,000	3,400,000
Interest expense	726,000	770,000
Tax rate	20%	20%

Required

1. Calculate ROI for 2020 and 2021. Round ROI to four decimal places.
2. While income has increased in fiscal 2021, is it clear that the companys performance has improved?