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It is taught that in each transaction there is what is called dual effect. To simplify the meaning of dual effect it means that if an asset is increased there must be a fluctuance or change within the transaction. An example would be if you were reviewing someone's financial statement and you noticed an increase in a liability or asset such as an account which went up rather than decreased. The fluctuance can also be seen as a decrease and not necessarily only an increase. The dual effect helps identify and better understand gains or losses a business has acquired within the year. Therefore, adjustments can be made based on recommendations following the dual effect.