Often a purchase falls into multiple categories. Most people lack the patience to enter the precise values for each item, but people might - given a suitably slick interface - be willing to put in approximate values. 50/50, 75/25, or whatever. This would help people to understand their spending - particularly their discretionary spending - at the end of the month, on a categorical basis.
4 posts were merged into an existing topic: Split up a transaction into different categories