Based on analyzing illegal cost and illegal income, this study has raised the relevant solutions according to the cause which is determined by following factors: the existence of economic law, the ratelevel of being charged, the chance for realizing illegal behavior and lawbreakers bias to the risk of law.

Uniformly approximated analysis on appraisal result of road toll right with income method and cost method;

The Study of Income Method Model in Enterprise Value Appraisal in M&A;

Based on experiences on asset evaluation,current requirements from appraisal supervision authorities and the characteristics of electric power enterprises,it is recommended that cost and income methods are preferred models for asset evaluation in ownership transfer.

Improvement and Application of Income Approach in Real Estate Appraisal;

In real estate appraisal theory,the income approach is one of important methods,and the key of the income approach is confirmation of net income and capitalization rates.

Mathemathics modules based on income approach and its application in corporate finance,financial investment are well- known scientific and applicable econometrics models.

Applying procedure of the earned value measure in the control of maintenance process of warship equipment is given.