Why would you use the Integration Tool Kit?

Why would you use the Integration Tool Kit?
A . To transfer updates from an ERP system to SAP Ariba in real time
B. To transfer updates from an ERP system to SAP Ariba on scheduled basis
C. To eliminate the need to manually update data in Ariba to match ERP
D. To ensure data is synchronized across all SAP Ariba applications

Answer: B,C