What are Neptune's biological cost accounting methods?

Pricing accounting, expense accounting, income accounting and multi-stage accounting. Official website of Shenzhen Wanghai Bioengineering Co., Ltd. shows that in 20021year, there were four problems in the company, such as irregular corporate governance operation, irregular accounting, imperfect internal control and irregular corporate bond management. These problems have been fixed and the cost accounting methods have been improved, including pricing accounting, expense accounting, income accounting and multi-stage accounting.