Which sequence of steps merges styles from a Master style book to Excel worksheets?

A) Home -> Cell Styles -> Apply Styles
B) Open Master Style Book -> Home -> Styles -> Cell Styles -> Merge Styles
C) View -> Theme Editor -> Merge Custom Styles
D) File -> Merge -> Import Styles
What happens when you select the Master Style book and apply custom styles in Excel?

A) It overwrites existing styles
B) It creates a duplicate set of styles
C) It prompts to confirm style merging
D) It doesn’t affect existing styles