A field ________ reserves spaces in the letter for the actual data that will be inserted when the letter is merged with the data source

Consolidate by ________ can be used to create a summary worksheet when the source worksheets all have an identical structure

Fill in the blank(s) with the appropriate word(s).

Collections method sort that accepts a List as an argument. It sorts the List elements, which must implement the __________ interface.

a. Comparable. b. Comparator. c. Compare. d. Ordering.