30 fixed days in a month

Summary: Customer wants to have 30 days fixed for all months in a year.

Content (required): Proration should be based on 30 days in a month. E.g. If employee is hired on 15th Feb 2022, then he/she should be paid for 16 days and not 14 days. Same applicable for Termination.

Version (include the version you are using, if applicable): 22D/23A

Code Snippet (add any code snippets that support your topic, if applicable): Any readymade, worked and tested, code mod for seeded proration formula will help.