Hello AR,
Please find more explanation,
Please create new product type reference with 55A, create new flow type and make the setting as below for inflow and outflow and assign to your product.
Rest of customization remain same,
Please create new flow type for your charges and assign the same to your deal.
Please follow standard posting process. If you notice only the expenses entry posted in system.
I presume that's your requirement. Hope this help.
In case you want to do accrual or deferral for charges or expense, Please follow the step suggested before.
Regards,
Jain