CRE Loaded PCI B2B v6.4.1a - Order total module - Bugs

USing CRE Loaded PCI B2B v6.4.1a Bugs In Order Total Module - want to test & correct the whole module to full integration with the shopping cart 1) Price Break Discount - calculations are not accurate on discount & tax recalculation on discounted prices 2) Discount Coupen - Shows invalid coupen code 3) Discount PW - Shows invalid coupen code 4) Gift Vouchers - Shows invalid coupen code 5) My store rewards 6) Global disount 7) Low order fee 8) Buy safe fee Want total solutions for order total modules, Priorities will be given to free lanuchers who provide similar work done experiences of other customers projects in cre loaded B2b