What is the main function of out-of-the-box Data Processing Engine jobs in Rebate Management?

What is the main function of out-of-the-box Data Processing Engine jobs in Rebate Management?
A . Delete, add, clone and transform journal transactions.
B . Query, extract, filter and aggregate journal transactions
C . It includes custom metrics in the transaction journal
D . It applies the benefit structure and creates payouts

Answer: B