A bill from our ISP in 1998.

We’re talking about a month here, 1998-07-27 to 1998-08-26.

Basic fee: 7.50 DM (about 6€ today).

Online time: 516 minutes, 23.53 DM (about 20€ today).

That’s just the ISP costs, if I’m not mistaken. The underlying phone calls were pretty pricey as well.