TAB – Transacted Activity Billing is Real Value IT's cloud based SaaS offering that supplements the SAP transaction processing system with the usage based pricing and billing capabilities. TAB distinguishes itself from the other B2B Usage Based Billing Applications in the market through Real Value IT's mathematical optimization models based component called "MERM" - Multiple Element Revenue Management and its predictive analytics capabilities. Enterprises can design the revenue maximizing offerings besides addressing their usage based pricing and billing related requirements.