When only a portion of the sale price is actually a donation and the rest would not be considered a donation (e.g., the cost of dinner for a gala ticket is subtracted from the total cost of the ticket). The ability to split the ticket price and donation in one flow clarifies this, streamlining purchases and ideally meeting IRS requirements for quid pro quo donations through the automatic acknowledgement email as opposed to having to manually/individually send out additional letters in response to ticket sales.