What is the return on equity using the following information? Remember to express it as a $\%$ and take it out two decimal places.

Year Ended $2021$

Sales $$25000$

Cost of Sales $$12000$

Gross Profit $$13000$

Net income $$18000$

Current assets $$22000$

Liabilities $$16000$

Stockholders' Equity $$30000$

Current Liabilities $$5000$

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