which of the following items could be an example of a cost object? a: an international plantb: the accounting departmentc: a manufacturing plantd: all of the above are examples of potential cost objects

All the above.

Explanation:

A cost object is used in accounting to describe something that a cost can be assigned. So, all objects that have costs or can be measure according to a cost, all of them are label as cost objects.

So, all the option have costs.