Which of the following is true of enterprise resource planning $($ERP$)$ systems?

I. The online analytical processing system $($OLAP$)$ provides data warehouse capabilities for the ERP system.

II$.$ The ability of an ERP system to provide an integrated view of transactions in all parts of the system is a function of the online transaction processing $($OLTP$)$ system.

a$.$ I only.

b$.$ II only.

c$.$ Both I and II$.$

Neither I nor II