How does SAP S/4HANA reduce system complexity and improve system efficiency? Note: There are 2 correct answers to this question.

How does SAP S/4HANA reduce system complexity and improve system efficiency? Note: There are 2 correct answers to this question.
A . By removing application code that deals with aggregates and indexes
B . By providing application code that deals with aggregates and indexes
C . By providing views of data at runtime from the same source tables
D . By removing views of data at runtime from the same source tables

Answer: A,C