Follow these steps to post expenses for owners: 

1. Access the [Finance > Owner Statements] menu;
2. Click on the [New Transaction > Payment] button;
3. On the [Responsible] field, choose from who the expense is and fill out the fields; 
4. Click on [Save].
   

When selecting [Me and the owner], you can split expenses and set how much the owner pays - to do that, type the percentage on the [Owner pays] field.

Owner debits are shown on [Owner Statements], and you can include the expenses when making the owner's balance, as you can see in the example below: