How do you do this?

You already have a condition record for a material price that is valid for the whole year. Now you have to set up a special sales price for this material for the next two weeks.

How do you do this? Note: There are 2 correct answers to this question.
A . You use the Manage Prices – Sales app.
B . You use the Creation of Price Lists app.
C . You use the transaction Change condition (transaction code VK12).
D . You use the transaction Create condition (transaction code VK11).

Answer: A, C