TPG bundle 6777874

Level 2
I spoke to someone on phone & told them I couldn't pay till Sunday, she said that's fine she wd still process the account & I cd pay on Sunday. Now I get an email telling me they tried to withdraw money but it bounce & they r charging me a fee of $10 on top of my bank dishonour fee for $15!! I sent an email yesterday but have not had a reply. Please explain