Capital Interest Rates, take average instead of half, full, none

Summary: We'd like to use average for current period calculation method instead of Full, Half or None. Is this possible?

Content (required):

We'd like to use average for current period calculation method instead of Full, Half or None. Is this possible?

Version (include the version you are using, if applicable): 23A

Code Snippet (add any code snippets that support your topic, if applicable): N/A