Mai Shengli Hotel expects the average annual return on equity in the next three years.

Write down the estimated average annual return on equity of Mai Shengli Hotel in the next three years as follows:

1. First of all, we need to obtain the financial statements of Mai Shengli Hotel in recent three years, including balance sheet and income statement.

2. Secondly, it is necessary to calculate the annual net profit.

3. Then, you need to calculate the annual net assets.

4. Then, calculate the annual return on equity.

5. Finally, it is necessary to calculate the average return on equity for the next three years.