According to another post by someone who actually worked tax prep[1], it's more like 30%. In light of that and the delay in the IRS receiving the information f

According to another post by someone who actually worked tax prep[1], it's more like 30%. In light of that and the delay in the IRS receiving the information from other parties, it does seem like a reasonable default. The real problem is that the US tax code is horribly, unnecessarily complicated. [1] https://news.ycombinator.com/item?id=9381067 https://news.ycombinator.com/item?id=9381067