This is a question with answer options. Goal: How to you cream the butter and sugar when making chocolate bread?

Which of the following methods is more reasonable for accomplishing this goal?

Possible answers: (I) You need to add your softened room temperature butter to a large bowl, and add your sugar. Then, you want to use a hand mixer or stand mixer to cream the two ingredients together.; (II) You need to add your softened room temperature butter to a large bowl, and add your powdered sugar. Then, you want to use a hand mixer or stand mixer to cream the two ingredients together.;...I think the answer is
(I)