Does the 30% take into account the transfer fee ? Because as an artist, this is a supplementary charge in Bandcamp. So I actually receive 77.5% on a 10€ sale. I

Does the 30% take into account the transfer fee ? Because as an artist, this is a supplementary charge in Bandcamp. So I actually receive 77.5% on a 10€ sale. It's better than 30%, but it's not 15%.