Which of the following can be transported using the Software Collection apps in SAP S/4HANA Cloud? Note: There are 2 correct answers to this question.

Which of the following can be transported using the Software Collection apps in SAP S/4HANA Cloud? Note: There are 2 correct answers to this question.
A . Custom business objects
B. Custom business roles
C. UI variants and changes
D. Migration projects

Answer: B,C