Standardbank exorbitant rate charges for small business with overdraft

If your small business look at what they charge overdraft facility rates Now mine is 18.5perc

We have conducted business with them since 2015

Used there facility and twice they have charged is double the repo rate.

I have asked accountvDhawne Pringle to reduce rate charged as asset is 30times the value of loan facility.

Apparently I dont conform, however have a large loan on 15years prime less 2 at 20times loan value with assets 200 time s loan value.

I am forced to find another bank that offers better rates.