As previously advised :
Neustar the .BIZ registry is increasing its cost price to each ICANN registrar, for registration, renewal or transfer. This will be effective on 31st October 2019 at 2200 UTC.
Therefore the new prices per Tier are :
Tier 1 : $15.35
Tier 2 : $14.80
Tier 3 : $14.50
Tier 4 : $14.29
Tier 5 : $14.19
Restoration pricing will increase by $1.15 to $80.57 which will include 1 year renewal of the domain name.