5 k, s, m- s2 g0 |1 h" z! ?5 N3 o! @ 6 y+ s/ d+ D y9 q6 I+ gAir Rate is about $30/min for FIDO, that's why FIDO charged you about $10 for about 30 min.
FIDO is right, you were charged $0..30/min local calling fee. If your monthly plan like me is free talking after 5pm, then no charges after 5pm using Calling card.