Use this selection box to establish where funds are to be used for cost expenses. Costs can be paid from client advances, advanced from your firm account, or you can use debtor payments. You can choose to use one, two, or all three of these sources. If you do not wish to use one of the sources of costs funds, click the down arrow key next to the source and select "N". This will prevent the program from using this cost fund source towards cost expenses for this client. For the sources you wish to use to fund cost expenses, order them preferentially by clicking the down arrow key next to the item and selecting "1" for primary source, "2" for secondary, ...