Maybe price in the cost of staff time spent on the fundraiser—that is, if everyone donates immediately, it takes $X to fill the fundraiser. But if everyone donates at the end, it takes $X + $Y, where $Y is the cost of additional staff time spend on the fundraiser.
Maybe price in the cost of staff time spent on the fundraiser—that is, if everyone donates immediately, it takes $X to fill the fundraiser. But if everyone donates at the end, it takes $X + $Y, where $Y is the cost of additional staff time spend on the fundraiser.