How to do forecast for the history data

Hi,

Please any one help me  to do fine forecasting for the history data.

in that data set A,B... is the account name. based on the spend and revenue
i want allocate the spend amount for the next year of january,february to
the A,B... account and etc.


please find the attached png file for the data


Thanks i advance


Thanks and Regards
Venkatesan
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