Why would the internal parties of a business be interested in the accounting information of the business?

Why would the internal parties of a business be interested in the accounting information of the business?
Internal parties of a business means the management of business, management prepare the budgets for the business, in other words we can say that management recognizes the future transaction and estimates the monitory effect of these transaction,But the management prepares the budgets, only for internal use for this purpose the management adopts a system which is called management accounting information system and that is why they are interested in Accounting Information system.Sheraz Mansoor Nawanshehr Abbottabad (sherazmansoor@gmail.com)