The following are accounting procedures and practices used by several companies.
A. As soon as it purchases inventory, Sokolich Company records the purchase price as cost of goods sold to simplify its accounting procedures.
B. At the end of each year Sloan Company records and reports its economic resources based on appraisal values.
C. Ebert Company prepares financial statements only every two years to reduce its costs of preparing the statements.
D. Guthrie Company sells on credit and records revenue at that time, even though it knows that collection is highly uncertain and very significant efforts have to be made to collect the accounts.
E. Because of inflation, Cross Company adjusts its financial statements each year to show the current purchasing power for all items.
F. David Thomas combines his personal transactions and business transactions when he prepares his company’s financial statements so that he can tell how well he is doing on an “overall” basis.
G. At the end of each year Vann Company reports its economic resources on a liquidation basis even though it is likely to operate in the future.

Required
Identify what accounting assumption or principle each procedure or practice violates, and indicate what should be done to rectify the violation.