I am sorry. Typo. It is at $110 for legit vendors.
However, if you are sharp and can follow instructions yu can get it very cheep.
You buy just the license, but no media, no download link. You do it yourself.
I will not post the details here. Radically, it is only for the DIY people that build custom PCs for others. There is no support, you have to do everything. If you are building for others, it will be about $30 per user. ** Or maybe less.
Otherwise, $110 is the low price with Microsoft support.
** It is a OEM license. In some cases the key you get might not be legit. Ne very careful where yu buy a OEM license key. Be very careful. I have got both legit an otherwise. I will stop here.