Providing the best two- or multi-faceted barter between the two companies in the holding company

The existence of debt in the accounts between a set of companies causes the items to be flooded to the left and right of the corporate balance sheet. And have misleading financial ratios for corporate finance analysts and lead to misleading predictions about the company's future. This is the case in a set of companies under the umbrella of a holding due to interactions between them and on the other hand, if there is a solution, it can be tracked and reduced due to the upstream management of the holding. In this paper, using mathematical modeling and optimization, the best combination of the two or multiple possible channels between the holding companies is suggested. How to deal with this issue is one of the issues of day care and modeling and solving it in the form of math planning is the main innovation of this article. The proposed modeling is implemented in one of the IT field holdings and its results are reported in this paper.