Wichita, Inc. reported the following amounts in its financial statements prepared as of the end of the current accounting period:

Income	ps	200,000
Bills		180.000
Net Income				ps	20,000
Current assets	ps	50,000
long term assets		150.000
total assets				ps	200,000
current liabilities	ps	20,000
Long term passives		80.000
Full responsibility					100,000
Common actions	ps	40.000
Retained earnings		60.000
full equity					100,000
Total liabilities and equity				ps	200,000

What is the company's rate of return on assets?